Finding the Fourth Proportional to 16,309.52, 22,507.40 and 8,857.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,309.52 : 22,507.40 = 8,857.52 : x
2. Step 2: Convert to fraction form
   16,309.52/22,507.40 = 8,857.52/x
3. Step 3: Cross multiply
   16,309.52x = 22,507.40 × 8,857.52
4. Step 4: Simplify right side
   16,309.52x = 199,359,745.65
5. Step 5: Solve for x
   x = 199,359,745.65/16,309.52
6. Step 6: Final answer
   x = 12,223.52