Finding the Fourth Proportional to 16,031.50, 22,123.04 and 8,957.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.50 : 22,123.04 = 8,957.76 : x
2. Step 2: Convert to fraction form
   16,031.50/22,123.04 = 8,957.76/x
3. Step 3: Cross multiply
   16,031.50x = 22,123.04 × 8,957.76
4. Step 4: Simplify right side
   16,031.50x = 198,172,882.79
5. Step 5: Solve for x
   x = 198,172,882.79/16,031.50
6. Step 6: Final answer
   x = 12,361.47