Finding the Fourth Proportional to 71,856.71, 99,162.29 and 41,659.61

Step by Step Solution

1. Step 1: Write the proportion equation
   71,856.71 : 99,162.29 = 41,659.61 : x
2. Step 2: Convert to fraction form
   71,856.71/99,162.29 = 41,659.61/x
3. Step 3: Cross multiply
   71,856.71x = 99,162.29 × 41,659.61
4. Step 4: Simplify right side
   71,856.71x = 4,131,062,328.11
5. Step 5: Solve for x
   x = 4,131,062,328.11/71,856.71
6. Step 6: Final answer
   x = 57,490.28