Finding the Fourth Proportional to 16,031.54, 22,123.47 and 8,957.97

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.54 : 22,123.47 = 8,957.97 : x
2. Step 2: Convert to fraction form
   16,031.54/22,123.47 = 8,957.97/x
3. Step 3: Cross multiply
   16,031.54x = 22,123.47 × 8,957.97
4. Step 4: Simplify right side
   16,031.54x = 198,181,380.56
5. Step 5: Solve for x
   x = 198,181,380.56/16,031.54
6. Step 6: Final answer
   x = 12,361.97