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.
[[-113, -61, -44], [-23, -162, -164], [21, -179, -14, -59, -20, -163, -54], [-147, -181, -123], [-56, 93, 51]]