Finding the Fourth Proportional to 3,142.42, 4,336.71 and 1,745.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.42 : 4,336.71 = 1,745.20 : x
2. Step 2: Convert to fraction form
   3,142.42/4,336.71 = 1,745.20/x
3. Step 3: Cross multiply
   3,142.42x = 4,336.71 × 1,745.20
4. Step 4: Simplify right side
   3,142.42x = 7,568,426.29
5. Step 5: Solve for x
   x = 7,568,426.29/3,142.42
6. Step 6: Final answer
   x = 2,408.47