Finding the Fourth Proportional to 2,490.09, 3,735.78 and 1,449.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.09 : 3,735.78 = 1,449.08 : x
2. Step 2: Convert to fraction form
   2,490.09/3,735.78 = 1,449.08/x
3. Step 3: Cross multiply
   2,490.09x = 3,735.78 × 1,449.08
4. Step 4: Simplify right side
   2,490.09x = 5,413,425.40
5. Step 5: Solve for x
   x = 5,413,425.40/2,490.09
6. Step 6: Final answer
   x = 2,173.99