Finding the Fourth Proportional to 16,518.79, 22,795.72 and 8,965.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,518.79 : 22,795.72 = 8,965.14 : x
2. Step 2: Convert to fraction form
   16,518.79/22,795.72 = 8,965.14/x
3. Step 3: Cross multiply
   16,518.79x = 22,795.72 × 8,965.14
4. Step 4: Simplify right side
   16,518.79x = 204,366,821.20
5. Step 5: Solve for x
   x = 204,366,821.20/16,518.79
6. Step 6: Final answer
   x = 12,371.78