Finding the Fourth Proportional to 2,379.22, 3,567.31 and 1,144.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.22 : 3,567.31 = 1,144.17 : x
2. Step 2: Convert to fraction form
   2,379.22/3,567.31 = 1,144.17/x
3. Step 3: Cross multiply
   2,379.22x = 3,567.31 × 1,144.17
4. Step 4: Simplify right side
   2,379.22x = 4,081,603.36
5. Step 5: Solve for x
   x = 4,081,603.36/2,379.22
6. Step 6: Final answer
   x = 1,715.52