Finding the Fourth Proportional to 62,648.72, 86,449.89 and 35,423.47

Step by Step Solution

1. Step 1: Write the proportion equation
   62,648.72 : 86,449.89 = 35,423.47 : x
2. Step 2: Convert to fraction form
   62,648.72/86,449.89 = 35,423.47/x
3. Step 3: Cross multiply
   62,648.72x = 86,449.89 × 35,423.47
4. Step 4: Simplify right side
   62,648.72x = 3,062,355,104.42
5. Step 5: Solve for x
   x = 3,062,355,104.42/62,648.72
6. Step 6: Final answer
   x = 48,881.37