Finding the Fourth Proportional to 16,182.72, 22,329.54 and 9,107.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,182.72 : 22,329.54 = 9,107.64 : x
2. Step 2: Convert to fraction form
   16,182.72/22,329.54 = 9,107.64/x
3. Step 3: Cross multiply
   16,182.72x = 22,329.54 × 9,107.64
4. Step 4: Simplify right side
   16,182.72x = 203,369,411.69
5. Step 5: Solve for x
   x = 203,369,411.69/16,182.72
6. Step 6: Final answer
   x = 12,567.07