Finding the Fourth Proportional to 2,567.12, 3,542.54 and 1,623.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.12 : 3,542.54 = 1,623.42 : x
2. Step 2: Convert to fraction form
   2,567.12/3,542.54 = 1,623.42/x
3. Step 3: Cross multiply
   2,567.12x = 3,542.54 × 1,623.42
4. Step 4: Simplify right side
   2,567.12x = 5,751,022.17
5. Step 5: Solve for x
   x = 5,751,022.17/2,567.12
6. Step 6: Final answer
   x = 2,240.27