Finding the Fourth Proportional to 71,345.72, 98,456.10 and 41,131.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,345.72 : 98,456.10 = 41,131.10 : x
2. Step 2: Convert to fraction form
   71,345.72/98,456.10 = 41,131.10/x
3. Step 3: Cross multiply
   71,345.72x = 98,456.10 × 41,131.10
4. Step 4: Simplify right side
   71,345.72x = 4,049,607,694.71
5. Step 5: Solve for x
   x = 4,049,607,694.71/71,345.72
6. Step 6: Final answer
   x = 56,760.35