Is Defeating the three admiral impossible or would the yonko corner them?

The Admirals are the Navy's greatest military power and one of the most strongest characters in the whole series their immense powers are feared by many pirates.They posses one of the most strongest devil fruits in the series and good usage of haki as well .Lets break down each admirals powers.

1.Akainu- The former admiral and current fleet admiral of the navy Sakazuki know by his alias akainu is a tremendously powerful character and one of the most despicable characters as well He is a user of the logia type devil fruit the magu magu no mi which allows him to create manipulate and become magma at will,his devil fruit is said to be the highest offensive powered devil fruit in the series.

2.Kizaru- Borsalino also known as kizaru is the only admiral from the pre time skip trio.His powers were clearly shown during the sabaody archipelago arc where he fought against the supernovas without breaking a sweat.He is the user of the logia type devil fruit Pika pika no mi Which allows him to create,become and manipulate light at will making him a force to be reckoned with.

3.Fujitora- Issho know by his alias fujitora is a extremely powerful and humble character. He is the only known admiral with a paramecia type devil fruit known as the zushi zushi no mi which allows him to manipulate gravity at will.He has good mastery of powers as shown during the dressrosa arc where he literally summoned meteors from space,which shows how powerful he is. 4.Ryokugyu- This is the most mysterious admiral out there since we don't even know how he looks like but Doflamingo clearly stated that fujitora and ryokugyu are literal monsters..

Now for the question is defeating the three admirals impossible or would the yonkos corner them.

Comment your opinion.