Finding the Fourth Proportional to 16,518.69, 22,795.91 and 8,965.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,518.69 : 22,795.91 = 8,965.15 : x
2. Step 2: Convert to fraction form
   16,518.69/22,795.91 = 8,965.15/x
3. Step 3: Cross multiply
   16,518.69x = 22,795.91 × 8,965.15
4. Step 4: Simplify right side
   16,518.69x = 204,368,752.54
5. Step 5: Solve for x
   x = 204,368,752.54/16,518.69
6. Step 6: Final answer
   x = 12,371.97