Finding the Fourth Proportional to 82,254.28, 113,512.98 and 50,440.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,254.28 : 113,512.98 = 50,440.72 : x
2. Step 2: Convert to fraction form
   82,254.28/113,512.98 = 50,440.72/x
3. Step 3: Cross multiply
   82,254.28x = 113,512.98 × 50,440.72
4. Step 4: Simplify right side
   82,254.28x = 5,725,676,440.55
5. Step 5: Solve for x
   x = 5,725,676,440.55/82,254.28
6. Step 6: Final answer
   x = 69,609.47