Finding the Fourth Proportional to 82,755.20, 124,162.86 and 40,630.79

Step by Step Solution

1. Step 1: Write the proportion equation
   82,755.20 : 124,162.86 = 40,630.79 : x
2. Step 2: Convert to fraction form
   82,755.20/124,162.86 = 40,630.79/x
3. Step 3: Cross multiply
   82,755.20x = 124,162.86 × 40,630.79
4. Step 4: Simplify right side
   82,755.20x = 5,044,835,090.46
5. Step 5: Solve for x
   x = 5,044,835,090.46/82,755.20
6. Step 6: Final answer
   x = 60,960.94