Finding the Fourth Proportional to 82,737.20, 124,019.39 and 40,558.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,737.20 : 124,019.39 = 40,558.88 : x
2. Step 2: Convert to fraction form
   82,737.20/124,019.39 = 40,558.88/x
3. Step 3: Cross multiply
   82,737.20x = 124,019.39 × 40,558.88
4. Step 4: Simplify right side
   82,737.20x = 5,030,086,733.79
5. Step 5: Solve for x
   x = 5,030,086,733.79/82,737.20
6. Step 6: Final answer
   x = 60,795.95