Finding the Fourth Proportional to 16,155.27, 22,287.42 and 9,864

Step by Step Solution

1. Step 1: Write the proportion equation
   16,155.27 : 22,287.42 = 9,864 : x
2. Step 2: Convert to fraction form
   16,155.27/22,287.42 = 9,864/x
3. Step 3: Cross multiply
   16,155.27x = 22,287.42 × 9,864
4. Step 4: Simplify right side
   16,155.27x = 219,843,110.88
5. Step 5: Solve for x
   x = 219,843,110.88/16,155.27
6. Step 6: Final answer
   x = 13,608.14