Finding the Fourth Proportional to 71,761.68, 99,019.89 and 41,541.12

Step by Step Solution

1. Step 1: Write the proportion equation
   71,761.68 : 99,019.89 = 41,541.12 : x
2. Step 2: Convert to fraction form
   71,761.68/99,019.89 = 41,541.12/x
3. Step 3: Cross multiply
   71,761.68x = 99,019.89 × 41,541.12
4. Step 4: Simplify right side
   71,761.68x = 4,113,397,132.88
5. Step 5: Solve for x
   x = 4,113,397,132.88/71,761.68
6. Step 6: Final answer
   x = 57,320.25