Finding the Fourth Proportional to 16,210, 22,369.89 and 9,136.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,210 : 22,369.89 = 9,136.54 : x
2. Step 2: Convert to fraction form
   16,210/22,369.89 = 9,136.54/x
3. Step 3: Cross multiply
   16,210x = 22,369.89 × 9,136.54
4. Step 4: Simplify right side
   16,210x = 204,383,394.78
5. Step 5: Solve for x
   x = 204,383,394.78/16,210
6. Step 6: Final answer
   x = 12,608.48