Finding the Fourth Proportional to 16,610.29, 22,922.78 and 9,057.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,610.29 : 22,922.78 = 9,057.25 : x
2. Step 2: Convert to fraction form
   16,610.29/22,922.78 = 9,057.25/x
3. Step 3: Cross multiply
   16,610.29x = 22,922.78 × 9,057.25
4. Step 4: Simplify right side
   16,610.29x = 207,617,189.25
5. Step 5: Solve for x
   x = 207,617,189.25/16,610.29
6. Step 6: Final answer
   x = 12,499.32