Finding the Fourth Proportional to 3,144.30, 4,339.35 and 1,747.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.30 : 4,339.35 = 1,747.05 : x
2. Step 2: Convert to fraction form
   3,144.30/4,339.35 = 1,747.05/x
3. Step 3: Cross multiply
   3,144.30x = 4,339.35 × 1,747.05
4. Step 4: Simplify right side
   3,144.30x = 7,581,061.42
5. Step 5: Solve for x
   x = 7,581,061.42/3,144.30
6. Step 6: Final answer
   x = 2,411.05