Finding the Fourth Proportional to 62,581.72, 86,293.56 and 39,884.76

Step by Step Solution

1. Step 1: Write the proportion equation
   62,581.72 : 86,293.56 = 39,884.76 : x
2. Step 2: Convert to fraction form
   62,581.72/86,293.56 = 39,884.76/x
3. Step 3: Cross multiply
   62,581.72x = 86,293.56 × 39,884.76
4. Step 4: Simplify right side
   62,581.72x = 3,441,797,930.15
5. Step 5: Solve for x
   x = 3,441,797,930.15/62,581.72
6. Step 6: Final answer
   x = 54,996.86