Finding the Fourth Proportional to 2,449.57, 3,380.34 and 1,401.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.57 : 3,380.34 = 1,401.57 : x
2. Step 2: Convert to fraction form
   2,449.57/3,380.34 = 1,401.57/x
3. Step 3: Cross multiply
   2,449.57x = 3,380.34 × 1,401.57
4. Step 4: Simplify right side
   2,449.57x = 4,737,766.23
5. Step 5: Solve for x
   x = 4,737,766.23/2,449.57
6. Step 6: Final answer
   x = 1,934.12