Finding the Fourth Proportional to 61,036.80, 91,413.05 and 59,355.18

Step by Step Solution

1. Step 1: Write the proportion equation
   61,036.80 : 91,413.05 = 59,355.18 : x
2. Step 2: Convert to fraction form
   61,036.80/91,413.05 = 59,355.18/x
3. Step 3: Cross multiply
   61,036.80x = 91,413.05 × 59,355.18
4. Step 4: Simplify right side
   61,036.80x = 5,425,837,740.32
5. Step 5: Solve for x
   x = 5,425,837,740.32/61,036.80
6. Step 6: Final answer
   x = 88,894.53