Finding the Fourth Proportional to 16,031.30, 22,123.10 and 8,957.66

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.30 : 22,123.10 = 8,957.66 : x
2. Step 2: Convert to fraction form
   16,031.30/22,123.10 = 8,957.66/x
3. Step 3: Cross multiply
   16,031.30x = 22,123.10 × 8,957.66
4. Step 4: Simplify right side
   16,031.30x = 198,171,119.72
5. Step 5: Solve for x
   x = 198,171,119.72/16,031.30
6. Step 6: Final answer
   x = 12,361.52