How do you round 14.22731 to 2 decimal place?
14.22731 is between 14.22 and 14.23 (2 decimal places). Ask yourself which of the 2 numbers is it closer to?
Look at the 3rd decimal place. If it is 5 or more, round up to 14.23. Otherwise, round down to 14.22.
In this case, the 3rd decimal place is a 7, hence you should round up.