Finding the Fourth Proportional to 2,644.38, 3,649.05 and 1,449.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.38 : 3,649.05 = 1,449.27 : x
2. Step 2: Convert to fraction form
   2,644.38/3,649.05 = 1,449.27/x
3. Step 3: Cross multiply
   2,644.38x = 3,649.05 × 1,449.27
4. Step 4: Simplify right side
   2,644.38x = 5,288,458.69
5. Step 5: Solve for x
   x = 5,288,458.69/2,644.38
6. Step 6: Final answer
   x = 1,999.89