Finding the Fourth Proportional to 3,144.88, 4,339.72 and 1,747.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.88 : 4,339.72 = 1,747.68 : x
2. Step 2: Convert to fraction form
   3,144.88/4,339.72 = 1,747.68/x
3. Step 3: Cross multiply
   3,144.88x = 4,339.72 × 1,747.68
4. Step 4: Simplify right side
   3,144.88x = 7,584,441.85
5. Step 5: Solve for x
   x = 7,584,441.85/3,144.88
6. Step 6: Final answer
   x = 2,411.68