Finding the Fourth Proportional to 90,871.24, 136,260.78 and 41,581

Step by Step Solution

1. Step 1: Write the proportion equation
   90,871.24 : 136,260.78 = 41,581 : x
2. Step 2: Convert to fraction form
   90,871.24/136,260.78 = 41,581/x
3. Step 3: Cross multiply
   90,871.24x = 136,260.78 × 41,581
4. Step 4: Simplify right side
   90,871.24x = 5,665,859,493.18
5. Step 5: Solve for x
   x = 5,665,859,493.18/90,871.24
6. Step 6: Final answer
   x = 62,350.41