Finding the Fourth Proportional to 82,753.20, 124,159.86 and 40,628.79

Step by Step Solution

1. Step 1: Write the proportion equation
   82,753.20 : 124,159.86 = 40,628.79 : x
2. Step 2: Convert to fraction form
   82,753.20/124,159.86 = 40,628.79/x
3. Step 3: Cross multiply
   82,753.20x = 124,159.86 × 40,628.79
4. Step 4: Simplify right side
   82,753.20x = 5,044,464,878.37
5. Step 5: Solve for x
   x = 5,044,464,878.37/82,753.20
6. Step 6: Final answer
   x = 60,957.94