Finding the Fourth Proportional to 62,412.58, 86,105.15 and 39,747.51

Step by Step Solution

1. Step 1: Write the proportion equation
   62,412.58 : 86,105.15 = 39,747.51 : x
2. Step 2: Convert to fraction form
   62,412.58/86,105.15 = 39,747.51/x
3. Step 3: Cross multiply
   62,412.58x = 86,105.15 × 39,747.51
4. Step 4: Simplify right side
   62,412.58x = 3,422,465,372.78
5. Step 5: Solve for x
   x = 3,422,465,372.78/62,412.58
6. Step 6: Final answer
   x = 54,836.15