Finding the Fourth Proportional to 71,756.34, 99,024.69 and 39,925.16

Step by Step Solution

1. Step 1: Write the proportion equation
   71,756.34 : 99,024.69 = 39,925.16 : x
2. Step 2: Convert to fraction form
   71,756.34/99,024.69 = 39,925.16/x
3. Step 3: Cross multiply
   71,756.34x = 99,024.69 × 39,925.16
4. Step 4: Simplify right side
   71,756.34x = 3,953,576,592.20
5. Step 5: Solve for x
   x = 3,953,576,592.20/71,756.34
6. Step 6: Final answer
   x = 55,097.24