Finding the Fourth Proportional to 8,317.27, 11,472.73 and 5,665.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317.27 : 11,472.73 = 5,665.87 : x
2. Step 2: Convert to fraction form
   8,317.27/11,472.73 = 5,665.87/x
3. Step 3: Cross multiply
   8,317.27x = 11,472.73 × 5,665.87
4. Step 4: Simplify right side
   8,317.27x = 65,002,996.73
5. Step 5: Solve for x
   x = 65,002,996.73/8,317.27
6. Step 6: Final answer
   x = 7,815.42