Finding the Fourth Proportional to 82,571.52, 113,948.90 and 48,581.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,571.52 : 113,948.90 = 48,581.28 : x
2. Step 2: Convert to fraction form
   82,571.52/113,948.90 = 48,581.28/x
3. Step 3: Cross multiply
   82,571.52x = 113,948.90 × 48,581.28
4. Step 4: Simplify right side
   82,571.52x = 5,535,783,416.59
5. Step 5: Solve for x
   x = 5,535,783,416.59/82,571.52
6. Step 6: Final answer
   x = 67,042.29