Finding the Fourth Proportional to 16,233.14, 22,402.08 and 8,965.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,233.14 : 22,402.08 = 8,965.21 : x
2. Step 2: Convert to fraction form
   16,233.14/22,402.08 = 8,965.21/x
3. Step 3: Cross multiply
   16,233.14x = 22,402.08 × 8,965.21
4. Step 4: Simplify right side
   16,233.14x = 200,839,362.85
5. Step 5: Solve for x
   x = 200,839,362.85/16,233.14
6. Step 6: Final answer
   x = 12,372.18