Finding the Fourth Proportional to 2,446.88, 3,377.30 and 1,399.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.88 : 3,377.30 = 1,399.55 : x
2. Step 2: Convert to fraction form
   2,446.88/3,377.30 = 1,399.55/x
3. Step 3: Cross multiply
   2,446.88x = 3,377.30 × 1,399.55
4. Step 4: Simplify right side
   2,446.88x = 4,726,676.33
5. Step 5: Solve for x
   x = 4,726,676.33/2,446.88
6. Step 6: Final answer
   x = 1,931.72