Finding the Fourth Proportional to 52,039.20, 71,812.56 and 29,379

Step by Step Solution

1. Step 1: Write the proportion equation
   52,039.20 : 71,812.56 = 29,379 : x
2. Step 2: Convert to fraction form
   52,039.20/71,812.56 = 29,379/x
3. Step 3: Cross multiply
   52,039.20x = 71,812.56 × 29,379
4. Step 4: Simplify right side
   52,039.20x = 2,109,781,200.24
5. Step 5: Solve for x
   x = 2,109,781,200.24/52,039.20
6. Step 6: Final answer
   x = 40,542.15