Finding the Fourth Proportional to 62,013.52, 85,540.35 and 54,074.71

Step by Step Solution

1. Step 1: Write the proportion equation
   62,013.52 : 85,540.35 = 54,074.71 : x
2. Step 2: Convert to fraction form
   62,013.52/85,540.35 = 54,074.71/x
3. Step 3: Cross multiply
   62,013.52x = 85,540.35 × 54,074.71
4. Step 4: Simplify right side
   62,013.52x = 4,625,569,619.55
5. Step 5: Solve for x
   x = 4,625,569,619.55/62,013.52
6. Step 6: Final answer
   x = 74,589.70