Finding the Fourth Proportional to 62,069.92, 85,685.52 and 39,726.88

Step by Step Solution

1. Step 1: Write the proportion equation
   62,069.92 : 85,685.52 = 39,726.88 : x
2. Step 2: Convert to fraction form
   62,069.92/85,685.52 = 39,726.88/x
3. Step 3: Cross multiply
   62,069.92x = 85,685.52 × 39,726.88
4. Step 4: Simplify right side
   62,069.92x = 3,404,018,370.78
5. Step 5: Solve for x
   x = 3,404,018,370.78/62,069.92
6. Step 6: Final answer
   x = 54,841.67