Finding the Fourth Proportional to 109,721.43, 164,565.32 and 34,831.89

Step by Step Solution

1. Step 1: Write the proportion equation
   109,721.43 : 164,565.32 = 34,831.89 : x
2. Step 2: Convert to fraction form
   109,721.43/164,565.32 = 34,831.89/x
3. Step 3: Cross multiply
   109,721.43x = 164,565.32 × 34,831.89
4. Step 4: Simplify right side
   109,721.43x = 5,732,120,949.90
5. Step 5: Solve for x
   x = 5,732,120,949.90/109,721.43
6. Step 6: Final answer
   x = 52,242.49