Finding the Fourth Proportional to 16,185.36, 22,333.72 and 9,110.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185.36 : 22,333.72 = 9,110.40 : x
2. Step 2: Convert to fraction form
   16,185.36/22,333.72 = 9,110.40/x
3. Step 3: Cross multiply
   16,185.36x = 22,333.72 × 9,110.40
4. Step 4: Simplify right side
   16,185.36x = 203,469,122.69
5. Step 5: Solve for x
   x = 203,469,122.69/16,185.36
6. Step 6: Final answer
   x = 12,571.18