Finding the Fourth Proportional to 96,531.72, 133,105.86 and 60,677.88

Step by Step Solution

1. Step 1: Write the proportion equation
   96,531.72 : 133,105.86 = 60,677.88 : x
2. Step 2: Convert to fraction form
   96,531.72/133,105.86 = 60,677.88/x
3. Step 3: Cross multiply
   96,531.72x = 133,105.86 × 60,677.88
4. Step 4: Simplify right side
   96,531.72x = 8,076,581,400.38
5. Step 5: Solve for x
   x = 8,076,581,400.38/96,531.72
6. Step 6: Final answer
   x = 83,667.64