Finding the Fourth Proportional to 71,831.34, 99,120.90 and 41,607

Step by Step Solution

1. Step 1: Write the proportion equation
   71,831.34 : 99,120.90 = 41,607 : x
2. Step 2: Convert to fraction form
   71,831.34/99,120.90 = 41,607/x
3. Step 3: Cross multiply
   71,831.34x = 99,120.90 × 41,607
4. Step 4: Simplify right side
   71,831.34x = 4,124,123,286.30
5. Step 5: Solve for x
   x = 4,124,123,286.30/71,831.34
6. Step 6: Final answer
   x = 57,413.98