Finding the Fourth Proportional to 72,037.09, 99,318.76 and 59,068.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,037.09 : 99,318.76 = 59,068.59 : x
2. Step 2: Convert to fraction form
   72,037.09/99,318.76 = 59,068.59/x
3. Step 3: Cross multiply
   72,037.09x = 99,318.76 × 59,068.59
4. Step 4: Simplify right side
   72,037.09x = 5,866,619,113.75
5. Step 5: Solve for x
   x = 5,866,619,113.75/72,037.09
6. Step 6: Final answer
   x = 81,438.87