Finding the Fourth Proportional to 16,091.65, 22,205.26 and 9,016.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,091.65 : 22,205.26 = 9,016.71 : x
2. Step 2: Convert to fraction form
   16,091.65/22,205.26 = 9,016.71/x
3. Step 3: Cross multiply
   16,091.65x = 22,205.26 × 9,016.71
4. Step 4: Simplify right side
   16,091.65x = 200,218,389.89
5. Step 5: Solve for x
   x = 200,218,389.89/16,091.65
6. Step 6: Final answer
   x = 12,442.38