Finding the Fourth Proportional to 156,732.72, 216,403.83 and 96,384.48

Step by Step Solution

1. Step 1: Write the proportion equation
   156,732.72 : 216,403.83 = 96,384.48 : x
2. Step 2: Convert to fraction form
   156,732.72/216,403.83 = 96,384.48/x
3. Step 3: Cross multiply
   156,732.72x = 216,403.83 × 96,384.48
4. Step 4: Simplify right side
   156,732.72x = 20,857,970,624.56
5. Step 5: Solve for x
   x = 20,857,970,624.56/156,732.72
6. Step 6: Final answer
   x = 133,079.87