Finding the Fourth Proportional to 71,622.57, 98,831.57 and 41,403.09

Step by Step Solution

1. Step 1: Write the proportion equation
   71,622.57 : 98,831.57 = 41,403.09 : x
2. Step 2: Convert to fraction form
   71,622.57/98,831.57 = 41,403.09/x
3. Step 3: Cross multiply
   71,622.57x = 98,831.57 × 41,403.09
4. Step 4: Simplify right side
   71,622.57x = 4,091,932,180.54
5. Step 5: Solve for x
   x = 4,091,932,180.54/71,622.57
6. Step 6: Final answer
   x = 57,131.88