Finding the Fourth Proportional to 60,759.20, 83,886.72 and 38,129.24

Step by Step Solution

1. Step 1: Write the proportion equation
   60,759.20 : 83,886.72 = 38,129.24 : x
2. Step 2: Convert to fraction form
   60,759.20/83,886.72 = 38,129.24/x
3. Step 3: Cross multiply
   60,759.20x = 83,886.72 × 38,129.24
4. Step 4: Simplify right side
   60,759.20x = 3,198,536,879.69
5. Step 5: Solve for x
   x = 3,198,536,879.69/60,759.20
6. Step 6: Final answer
   x = 52,642.84