Finding the Fourth Proportional to 4,145.68, 5,721.06 and 2,377.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,145.68 : 5,721.06 = 2,377.72 : x
2. Step 2: Convert to fraction form
   4,145.68/5,721.06 = 2,377.72/x
3. Step 3: Cross multiply
   4,145.68x = 5,721.06 × 2,377.72
4. Step 4: Simplify right side
   4,145.68x = 13,603,078.78
5. Step 5: Solve for x
   x = 13,603,078.78/4,145.68
6. Step 6: Final answer
   x = 3,281.27