In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-16, -80], [23, -142, -53, -12, 40, -44, 26], [-90, -168], [-163, 72, 92, -56]]