Finding the Fourth Proportional to 83,062.39, 124,648.62 and 45,648.59

Step by Step Solution

1. Step 1: Write the proportion equation
   83,062.39 : 124,648.62 = 45,648.59 : x
2. Step 2: Convert to fraction form
   83,062.39/124,648.62 = 45,648.59/x
3. Step 3: Cross multiply
   83,062.39x = 124,648.62 × 45,648.59
4. Step 4: Simplify right side
   83,062.39x = 5,690,033,520.20
5. Step 5: Solve for x
   x = 5,690,033,520.20/83,062.39
6. Step 6: Final answer
   x = 68,503.13