Proper way to wire 4 light switches
All white wires are twist cap together as well as all the grounds. 
This is normal.

The black wires are easy the first is the main feed - you will need to feed a black wire from each Switch Line In to the next Switch Line In [Also referred to as Daisy Chaining].

The below is an example - the order of what is a light and what is a fan does not matter.