Finding the Fourth Proportional to 71,520.17, 98,696.79 and 40,892.96

Step by Step Solution

1. Step 1: Write the proportion equation
   71,520.17 : 98,696.79 = 40,892.96 : x
2. Step 2: Convert to fraction form
   71,520.17/98,696.79 = 40,892.96/x
3. Step 3: Cross multiply
   71,520.17x = 98,696.79 × 40,892.96
4. Step 4: Simplify right side
   71,520.17x = 4,036,004,132.34
5. Step 5: Solve for x
   x = 4,036,004,132.34/71,520.17
6. Step 6: Final answer
   x = 56,431.69