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.
[[30, -20, 22, -25, -187, -31], [-48, -122, 89, -49, -174], [53, -193, 31, -66, 50], [-187, 32, 54, -3, -15, 24, -144], [10, -57], [-108, 43]]