Finding the Fourth Proportional to 62,404.67, 86,110.75 and 39,426.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,404.67 : 86,110.75 = 39,426.05 : x
2. Step 2: Convert to fraction form
   62,404.67/86,110.75 = 39,426.05/x
3. Step 3: Cross multiply
   62,404.67x = 86,110.75 × 39,426.05
4. Step 4: Simplify right side
   62,404.67x = 3,395,006,735.04
5. Step 5: Solve for x
   x = 3,395,006,735.04/62,404.67
6. Step 6: Final answer
   x = 54,403.09