Finding the Fourth Proportional to 2,449.40, 3,380.16 and 1,401.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.40 : 3,380.16 = 1,401.46 : x
2. Step 2: Convert to fraction form
   2,449.40/3,380.16 = 1,401.46/x
3. Step 3: Cross multiply
   2,449.40x = 3,380.16 × 1,401.46
4. Step 4: Simplify right side
   2,449.40x = 4,737,159.03
5. Step 5: Solve for x
   x = 4,737,159.03/2,449.40
6. Step 6: Final answer
   x = 1,934.01