Finding the Fourth Proportional to 3,995.89, 5,513.63 and 2,317.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.89 : 5,513.63 = 2,317.43 : x
2. Step 2: Convert to fraction form
   3,995.89/5,513.63 = 2,317.43/x
3. Step 3: Cross multiply
   3,995.89x = 5,513.63 × 2,317.43
4. Step 4: Simplify right side
   3,995.89x = 12,777,451.57
5. Step 5: Solve for x
   x = 12,777,451.57/3,995.89
6. Step 6: Final answer
   x = 3,197.65