Finding the Fourth Proportional to 16,320.50, 22,524.21 and 9,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,320.50 : 22,524.21 = 9,696.50 : x
2. Step 2: Convert to fraction form
   16,320.50/22,524.21 = 9,696.50/x
3. Step 3: Cross multiply
   16,320.50x = 22,524.21 × 9,696.50
4. Step 4: Simplify right side
   16,320.50x = 218,406,002.27
5. Step 5: Solve for x
   x = 218,406,002.27/16,320.50
6. Step 6: Final answer
   x = 13,382.31