Finding the Fourth Proportional to 2,711.24, 4,065.34 and 862.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,711.24 : 4,065.34 = 862.02 : x
2. Step 2: Convert to fraction form
   2,711.24/4,065.34 = 862.02/x
3. Step 3: Cross multiply
   2,711.24x = 4,065.34 × 862.02
4. Step 4: Simplify right side
   2,711.24x = 3,504,404.39
5. Step 5: Solve for x
   x = 3,504,404.39/2,711.24
6. Step 6: Final answer
   x = 1,292.55