Finding the Fourth Proportional to 2,628.09, 3,626.67 and 1,449.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.09 : 3,626.67 = 1,449.15 : x
2. Step 2: Convert to fraction form
   2,628.09/3,626.67 = 1,449.15/x
3. Step 3: Cross multiply
   2,628.09x = 3,626.67 × 1,449.15
4. Step 4: Simplify right side
   2,628.09x = 5,255,588.83
5. Step 5: Solve for x
   x = 5,255,588.83/2,628.09
6. Step 6: Final answer
   x = 1,999.78