Finding the Fourth Proportional to 16,401.29, 22,635.45 and 9,327.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.29 : 22,635.45 = 9,327.56 : x
2. Step 2: Convert to fraction form
   16,401.29/22,635.45 = 9,327.56/x
3. Step 3: Cross multiply
   16,401.29x = 22,635.45 × 9,327.56
4. Step 4: Simplify right side
   16,401.29x = 211,133,404.82
5. Step 5: Solve for x
   x = 211,133,404.82/16,401.29
6. Step 6: Final answer
   x = 12,872.98