Finding the Fourth Proportional to 99,385.38, 137,151.77 and 56,968.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,385.38 : 137,151.77 = 56,968.52 : x
2. Step 2: Convert to fraction form
   99,385.38/137,151.77 = 56,968.52/x
3. Step 3: Cross multiply
   99,385.38x = 137,151.77 × 56,968.52
4. Step 4: Simplify right side
   99,385.38x = 7,813,332,381.68
5. Step 5: Solve for x
   x = 7,813,332,381.68/99,385.38
6. Step 6: Final answer
   x = 78,616.52