Finding the Fourth Proportional to 16,337.24, 22,553.06 and 9,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,337.24 : 22,553.06 = 9,620.72 : x
2. Step 2: Convert to fraction form
   16,337.24/22,553.06 = 9,620.72/x
3. Step 3: Cross multiply
   16,337.24x = 22,553.06 × 9,620.72
4. Step 4: Simplify right side
   16,337.24x = 216,976,675.40
5. Step 5: Solve for x
   x = 216,976,675.40/16,337.24
6. Step 6: Final answer
   x = 13,281.11