Finding the Fourth Proportional to 3,995.28, 5,514.71 and 2,317.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.28 : 5,514.71 = 2,317.10 : x
2. Step 2: Convert to fraction form
   3,995.28/5,514.71 = 2,317.10/x
3. Step 3: Cross multiply
   3,995.28x = 5,514.71 × 2,317.10
4. Step 4: Simplify right side
   3,995.28x = 12,778,095.38
5. Step 5: Solve for x
   x = 12,778,095.38/3,995.28
6. Step 6: Final answer
   x = 3,198.30