Finding the Fourth Proportional to 2,862.69, 4,286.75 and 2,399.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.69 : 4,286.75 = 2,399.37 : x
2. Step 2: Convert to fraction form
   2,862.69/4,286.75 = 2,399.37/x
3. Step 3: Cross multiply
   2,862.69x = 4,286.75 × 2,399.37
4. Step 4: Simplify right side
   2,862.69x = 10,285,487.35
5. Step 5: Solve for x
   x = 10,285,487.35/2,862.69
6. Step 6: Final answer
   x = 3,592.94