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.
[[-189, -187, -86], [43, 89], [-26, -50, -66, -115, -123], [51, -65, -164], [87, -143, -124, -53, -102, -185, -84]]