Ahh 3 front war somebody please help me and give me advice for victory

[JJPHAT]

okay....I am in a 3 way war against that of Jraenar Imperium,Amon Ke re Continuim, A non-treaty war with the Xiati, and at war with the Nut-rok (whatever) peoples... Now due to your experience who is the greatest hreat and I should concentrate on first, i have been concentrating on the Xiati,, but considering they are so far away and the fact that my battle fleet sent against them has been recently destroyedm after taking out three planets...I have been slowing down on them....I think the Jraenar...oh what are some good ship configs..please help or the EA will fall!!