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.
[[57, 34], [-48, -57, -90], [-152, -171, -197, -156, -181], [-44, -111, -56, 87, -176]]