Finding the Fourth Proportional to 2,643.83, 3,648.33 and 1,448.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643.83 : 3,648.33 = 1,448.81 : x
2. Step 2: Convert to fraction form
   2,643.83/3,648.33 = 1,448.81/x
3. Step 3: Cross multiply
   2,643.83x = 3,648.33 × 1,448.81
4. Step 4: Simplify right side
   2,643.83x = 5,285,736.99
5. Step 5: Solve for x
   x = 5,285,736.99/2,643.83
6. Step 6: Final answer
   x = 1,999.27