Finding the Fourth Proportional to 3,399.12, 4,687.61 and 2,264.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.12 : 4,687.61 = 2,264.28 : x
2. Step 2: Convert to fraction form
   3,399.12/4,687.61 = 2,264.28/x
3. Step 3: Cross multiply
   3,399.12x = 4,687.61 × 2,264.28
4. Step 4: Simplify right side
   3,399.12x = 10,614,061.57
5. Step 5: Solve for x
   x = 10,614,061.57/3,399.12
6. Step 6: Final answer
   x = 3,122.59