Finding the Fourth Proportional to 16,561.16, 22,854.83 and 9,007.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,561.16 : 22,854.83 = 9,007.92 : x
2. Step 2: Convert to fraction form
   16,561.16/22,854.83 = 9,007.92/x
3. Step 3: Cross multiply
   16,561.16x = 22,854.83 × 9,007.92
4. Step 4: Simplify right side
   16,561.16x = 205,874,435.21
5. Step 5: Solve for x
   x = 205,874,435.21/16,561.16
6. Step 6: Final answer
   x = 12,431.16