Finding the Fourth Proportional to 16,976.82, 25,470.10 and 8,216.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,976.82 : 25,470.10 = 8,216.67 : x
2. Step 2: Convert to fraction form
   16,976.82/25,470.10 = 8,216.67/x
3. Step 3: Cross multiply
   16,976.82x = 25,470.10 × 8,216.67
4. Step 4: Simplify right side
   16,976.82x = 209,279,466.13
5. Step 5: Solve for x
   x = 209,279,466.13/16,976.82
6. Step 6: Final answer
   x = 12,327.36