Finding the Fourth Proportional to 2,443.40, 3,372.32 and 1,449.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.40 : 3,372.32 = 1,449.23 : x
2. Step 2: Convert to fraction form
   2,443.40/3,372.32 = 1,449.23/x
3. Step 3: Cross multiply
   2,443.40x = 3,372.32 × 1,449.23
4. Step 4: Simplify right side
   2,443.40x = 4,887,243.21
5. Step 5: Solve for x
   x = 4,887,243.21/2,443.40
6. Step 6: Final answer
   x = 2,000.19