Finding the Fourth Proportional to 16,422.92, 22,662.28 and 9,708.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,422.92 : 22,662.28 = 9,708.83 : x
2. Step 2: Convert to fraction form
   16,422.92/22,662.28 = 9,708.83/x
3. Step 3: Cross multiply
   16,422.92x = 22,662.28 × 9,708.83
4. Step 4: Simplify right side
   16,422.92x = 220,024,223.93
5. Step 5: Solve for x
   x = 220,024,223.93/16,422.92
6. Step 6: Final answer
   x = 13,397.39