Finding the Fourth Proportional to 60,613.88, 83,613.64 and 50,456.12

Step by Step Solution

1. Step 1: Write the proportion equation
   60,613.88 : 83,613.64 = 50,456.12 : x
2. Step 2: Convert to fraction form
   60,613.88/83,613.64 = 50,456.12/x
3. Step 3: Cross multiply
   60,613.88x = 83,613.64 × 50,456.12
4. Step 4: Simplify right side
   60,613.88x = 4,218,819,853.48
5. Step 5: Solve for x
   x = 4,218,819,853.48/60,613.88
6. Step 6: Final answer
   x = 69,601.55