Finding the Fourth Proportional to 2,643.57, 3,648.09 and 1,448.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.57 : 3,648.09 = 1,448.54 : x
2. Step 2: Convert to fraction form
   2,643.57/3,648.09 = 1,448.54/x
3. Step 3: Cross multiply
   2,643.57x = 3,648.09 × 1,448.54
4. Step 4: Simplify right side
   2,643.57x = 5,284,404.29
5. Step 5: Solve for x
   x = 5,284,404.29/2,643.57
6. Step 6: Final answer
   x = 1,998.97