Finding the Fourth Proportional to 62,115.40, 85,720.28 and 35,258.73

Step by Step Solution

1. Step 1: Write the proportion equation
   62,115.40 : 85,720.28 = 35,258.73 : x
2. Step 2: Convert to fraction form
   62,115.40/85,720.28 = 35,258.73/x
3. Step 3: Cross multiply
   62,115.40x = 85,720.28 × 35,258.73
4. Step 4: Simplify right side
   62,115.40x = 3,022,388,081.89
5. Step 5: Solve for x
   x = 3,022,388,081.89/62,115.40
6. Step 6: Final answer
   x = 48,657.63