Finding the Fourth Proportional to 2,399.46, 3,311.16 and 1,351.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.46 : 3,311.16 = 1,351.32 : x
2. Step 2: Convert to fraction form
   2,399.46/3,311.16 = 1,351.32/x
3. Step 3: Cross multiply
   2,399.46x = 3,311.16 × 1,351.32
4. Step 4: Simplify right side
   2,399.46x = 4,474,436.73
5. Step 5: Solve for x
   x = 4,474,436.73/2,399.46
6. Step 6: Final answer
   x = 1,864.77