Finding the Fourth Proportional to 16,235.72, 22,404.23 and 9,066.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,235.72 : 22,404.23 = 9,066.31 : x
2. Step 2: Convert to fraction form
   16,235.72/22,404.23 = 9,066.31/x
3. Step 3: Cross multiply
   16,235.72x = 22,404.23 × 9,066.31
4. Step 4: Simplify right side
   16,235.72x = 203,123,694.49
5. Step 5: Solve for x
   x = 203,123,694.49/16,235.72
6. Step 6: Final answer
   x = 12,510.91