Finding the Fourth Proportional to 2,377.72, 3,565.12 and 1,144.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.72 : 3,565.12 = 1,144.08 : x
2. Step 2: Convert to fraction form
   2,377.72/3,565.12 = 1,144.08/x
3. Step 3: Cross multiply
   2,377.72x = 3,565.12 × 1,144.08
4. Step 4: Simplify right side
   2,377.72x = 4,078,782.49
5. Step 5: Solve for x
   x = 4,078,782.49/2,377.72
6. Step 6: Final answer
   x = 1,715.42