Finding the Fourth Proportional to 231,401.52, 347,139.24 and 71,439.84

Step by Step Solution

1. Step 1: Write the proportion equation
   231,401.52 : 347,139.24 = 71,439.84 : x
2. Step 2: Convert to fraction form
   231,401.52/347,139.24 = 71,439.84/x
3. Step 3: Cross multiply
   231,401.52x = 347,139.24 × 71,439.84
4. Step 4: Simplify right side
   231,401.52x = 24,799,571,763.32
5. Step 5: Solve for x
   x = 24,799,571,763.32/231,401.52
6. Step 6: Final answer
   x = 107,171.17