On a cloudy day, Joan needed to know the height of a window in a building. Joan positioned a mirror on the ground between herself and the building so that when he looked in the mirror, she saw the window. If the mirror was 19.93 cm from her feet and 31.33 m from the base of the building and Joan's eye was 1.91 m above the ground, how high up on the building was the window located? Round to the nearest unit.