Finding the Fourth Proportional to 2,567.67, 3,543.20 and 1,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.67 : 3,543.20 = 1,448.72 : x
2. Step 2: Convert to fraction form
   2,567.67/3,543.20 = 1,448.72/x
3. Step 3: Cross multiply
   2,567.67x = 3,543.20 × 1,448.72
4. Step 4: Simplify right side
   2,567.67x = 5,133,087.42
5. Step 5: Solve for x
   x = 5,133,087.42/2,567.67
6. Step 6: Final answer
   x = 1,999.12