Finding the Fourth Proportional to 2,449.86, 3,380.54 and 1,401.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.86 : 3,380.54 = 1,401.86 : x
2. Step 2: Convert to fraction form
   2,449.86/3,380.54 = 1,401.86/x
3. Step 3: Cross multiply
   2,449.86x = 3,380.54 × 1,401.86
4. Step 4: Simplify right side
   2,449.86x = 4,739,043.80
5. Step 5: Solve for x
   x = 4,739,043.80/2,449.86
6. Step 6: Final answer
   x = 1,934.41