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.
[[-10, -72, -65, -4, -86, -132, -31], [90, -63, -184, -46, -2, 26, -178], [-157, -53, -171, -3, -114, 43], [-131, -87, 40, 32, 84, -176], [56, -149, -76, 18, -187, 11, 58]]