Finding the Fourth Proportional to 156,932.48, 216,663.72 and 107,957.72

Step by Step Solution

1. Step 1: Write the proportion equation
   156,932.48 : 216,663.72 = 107,957.72 : x
2. Step 2: Convert to fraction form
   156,932.48/216,663.72 = 107,957.72/x
3. Step 3: Cross multiply
   156,932.48x = 216,663.72 × 107,957.72
4. Step 4: Simplify right side
   156,932.48x = 23,390,521,217.92
5. Step 5: Solve for x
   x = 23,390,521,217.92/156,932.48
6. Step 6: Final answer
   x = 149,048.31