Finding the Fourth Proportional to 8,217.72, 12,323.97 and 2,669.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,217.72 : 12,323.97 = 2,669.76 : x
2. Step 2: Convert to fraction form
   8,217.72/12,323.97 = 2,669.76/x
3. Step 3: Cross multiply
   8,217.72x = 12,323.97 × 2,669.76
4. Step 4: Simplify right side
   8,217.72x = 32,902,042.15
5. Step 5: Solve for x
   x = 32,902,042.15/8,217.72
6. Step 6: Final answer
   x = 4,003.79