Finding the Fourth Proportional to 82,229.14, 122,748.71 and 72,264.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,229.14 : 122,748.71 = 72,264.88 : x
2. Step 2: Convert to fraction form
   82,229.14/122,748.71 = 72,264.88/x
3. Step 3: Cross multiply
   82,229.14x = 122,748.71 × 72,264.88
4. Step 4: Simplify right side
   82,229.14x = 8,870,420,798.30
5. Step 5: Solve for x
   x = 8,870,420,798.30/82,229.14
6. Step 6: Final answer
   x = 107,874.42