Finding the Fourth Proportional to 2,644.78, 3,649.67 and 1,449.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.78 : 3,649.67 = 1,449.74 : x
2. Step 2: Convert to fraction form
   2,644.78/3,649.67 = 1,449.74/x
3. Step 3: Cross multiply
   2,644.78x = 3,649.67 × 1,449.74
4. Step 4: Simplify right side
   2,644.78x = 5,291,072.59
5. Step 5: Solve for x
   x = 5,291,072.59/2,644.78
6. Step 6: Final answer
   x = 2,000.57