Finding the Fourth Proportional to 12,317.96, 18,472.15 and 3,995.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,317.96 : 18,472.15 = 3,995.97 : x
2. Step 2: Convert to fraction form
   12,317.96/18,472.15 = 3,995.97/x
3. Step 3: Cross multiply
   12,317.96x = 18,472.15 × 3,995.97
4. Step 4: Simplify right side
   12,317.96x = 73,814,044.89
5. Step 5: Solve for x
   x = 73,814,044.89/12,317.96
6. Step 6: Final answer
   x = 5,992.39