Finding the Fourth Proportional to 67,759.20, 101,502.72 and 38,132.64

Step by Step Solution

1. Step 1: Write the proportion equation
   67,759.20 : 101,502.72 = 38,132.64 : x
2. Step 2: Convert to fraction form
   67,759.20/101,502.72 = 38,132.64/x
3. Step 3: Cross multiply
   67,759.20x = 101,502.72 × 38,132.64
4. Step 4: Simplify right side
   67,759.20x = 3,870,566,680.78
5. Step 5: Solve for x
   x = 3,870,566,680.78/67,759.20
6. Step 6: Final answer
   x = 57,122.38