Finding the Fourth Proportional to 62,825.80, 86,698.12 and 34,144.78

Step by Step Solution

1. Step 1: Write the proportion equation
   62,825.80 : 86,698.12 = 34,144.78 : x
2. Step 2: Convert to fraction form
   62,825.80/86,698.12 = 34,144.78/x
3. Step 3: Cross multiply
   62,825.80x = 86,698.12 × 34,144.78
4. Step 4: Simplify right side
   62,825.80x = 2,960,288,233.81
5. Step 5: Solve for x
   x = 2,960,288,233.81/62,825.80
6. Step 6: Final answer
   x = 47,118.99