Finding the Fourth Proportional to 71,932.50, 99,265.71 and 40,103.34

Step by Step Solution

1. Step 1: Write the proportion equation
   71,932.50 : 99,265.71 = 40,103.34 : x
2. Step 2: Convert to fraction form
   71,932.50/99,265.71 = 40,103.34/x
3. Step 3: Cross multiply
   71,932.50x = 99,265.71 × 40,103.34
4. Step 4: Simplify right side
   71,932.50x = 3,980,886,518.47
5. Step 5: Solve for x
   x = 3,980,886,518.47/71,932.50
6. Step 6: Final answer
   x = 55,341.97