Finding the Fourth Proportional to 2,379.09, 3,567.12 and 1,144.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.09 : 3,567.12 = 1,144.05 : x
2. Step 2: Convert to fraction form
   2,379.09/3,567.12 = 1,144.05/x
3. Step 3: Cross multiply
   2,379.09x = 3,567.12 × 1,144.05
4. Step 4: Simplify right side
   2,379.09x = 4,080,963.64
5. Step 5: Solve for x
   x = 4,080,963.64/2,379.09
6. Step 6: Final answer
   x = 1,715.35