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.
[[59, -115, 70, -35, -84, -47], [-15, -139, -189, -38, 46, 51], [53, -161], [-174, -163, 64, -144, -87, -43]]