Finding the Fourth Proportional to 16,331.82, 22,532.54 and 9,160.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,331.82 : 22,532.54 = 9,160.71 : x
2. Step 2: Convert to fraction form
   16,331.82/22,532.54 = 9,160.71/x
3. Step 3: Cross multiply
   16,331.82x = 22,532.54 × 9,160.71
4. Step 4: Simplify right side
   16,331.82x = 206,414,018.70
5. Step 5: Solve for x
   x = 206,414,018.70/16,331.82
6. Step 6: Final answer
   x = 12,638.76