Finding the Fourth Proportional to 2,567.60, 3,543.44 and 1,448.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.60 : 3,543.44 = 1,448.12 : x
2. Step 2: Convert to fraction form
   2,567.60/3,543.44 = 1,448.12/x
3. Step 3: Cross multiply
   2,567.60x = 3,543.44 × 1,448.12
4. Step 4: Simplify right side
   2,567.60x = 5,131,301.38
5. Step 5: Solve for x
   x = 5,131,301.38/2,567.60
6. Step 6: Final answer
   x = 1,998.49