Finding the Fourth Proportional to 71,755.34, 99,023.31 and 39,924.16

Step by Step Solution

1. Step 1: Write the proportion equation
   71,755.34 : 99,023.31 = 39,924.16 : x
2. Step 2: Convert to fraction form
   71,755.34/99,023.31 = 39,924.16/x
3. Step 3: Cross multiply
   71,755.34x = 99,023.31 × 39,924.16
4. Step 4: Simplify right side
   71,755.34x = 3,953,422,224.61
5. Step 5: Solve for x
   x = 3,953,422,224.61/71,755.34
6. Step 6: Final answer
   x = 55,095.86