Finding the Fourth Proportional to 62,839.89, 86,719.32 and 34,545.78

Step by Step Solution

1. Step 1: Write the proportion equation
   62,839.89 : 86,719.32 = 34,545.78 : x
2. Step 2: Convert to fraction form
   62,839.89/86,719.32 = 34,545.78/x
3. Step 3: Cross multiply
   62,839.89x = 86,719.32 × 34,545.78
4. Step 4: Simplify right side
   62,839.89x = 2,995,786,550.47
5. Step 5: Solve for x
   x = 2,995,786,550.47/62,839.89
6. Step 6: Final answer
   x = 47,673.33