Finding the Fourth Proportional to 16,831.02, 23,225.82 and 9,659.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,831.02 : 23,225.82 = 9,659.28 : x
2. Step 2: Convert to fraction form
   16,831.02/23,225.82 = 9,659.28/x
3. Step 3: Cross multiply
   16,831.02x = 23,225.82 × 9,659.28
4. Step 4: Simplify right side
   16,831.02x = 224,344,698.61
5. Step 5: Solve for x
   x = 224,344,698.61/16,831.02
6. Step 6: Final answer
   x = 13,329.24