Finding the Fourth Proportional to 3,144.50, 4,339.55 and 1,747.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.50 : 4,339.55 = 1,747.25 : x
2. Step 2: Convert to fraction form
   3,144.50/4,339.55 = 1,747.25/x
3. Step 3: Cross multiply
   3,144.50x = 4,339.55 × 1,747.25
4. Step 4: Simplify right side
   3,144.50x = 7,582,270.00
5. Step 5: Solve for x
   x = 7,582,270.00/3,144.50
6. Step 6: Final answer
   x = 2,411.28