Finding the Fourth Proportional to 3,131.91, 4,325.13 and 2,467.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.91 : 4,325.13 = 2,467.71 : x
2. Step 2: Convert to fraction form
   3,131.91/4,325.13 = 2,467.71/x
3. Step 3: Cross multiply
   3,131.91x = 4,325.13 × 2,467.71
4. Step 4: Simplify right side
   3,131.91x = 10,673,166.55
5. Step 5: Solve for x
   x = 10,673,166.55/3,131.91
6. Step 6: Final answer
   x = 3,407.88