Finding the Fourth Proportional to 14,831.02, 22,221.89 and 10,439.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,831.02 : 22,221.89 = 10,439.25 : x
2. Step 2: Convert to fraction form
   14,831.02/22,221.89 = 10,439.25/x
3. Step 3: Cross multiply
   14,831.02x = 22,221.89 × 10,439.25
4. Step 4: Simplify right side
   14,831.02x = 231,979,827.52
5. Step 5: Solve for x
   x = 231,979,827.52/14,831.02
6. Step 6: Final answer
   x = 15,641.53