Finding the Fourth Proportional to 16,518.72, 22,795.88 and 8,965.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,518.72 : 22,795.88 = 8,965.07 : x
2. Step 2: Convert to fraction form
   16,518.72/22,795.88 = 8,965.07/x
3. Step 3: Cross multiply
   16,518.72x = 22,795.88 × 8,965.07
4. Step 4: Simplify right side
   16,518.72x = 204,366,501.11
5. Step 5: Solve for x
   x = 204,366,501.11/16,518.72
6. Step 6: Final answer
   x = 12,371.81