Finding the Fourth Proportional to 16,091.97, 22,205.69 and 9,017.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,091.97 : 22,205.69 = 9,017.02 : x
2. Step 2: Convert to fraction form
   16,091.97/22,205.69 = 9,017.02/x
3. Step 3: Cross multiply
   16,091.97x = 22,205.69 × 9,017.02
4. Step 4: Simplify right side
   16,091.97x = 200,229,167.33
5. Step 5: Solve for x
   x = 200,229,167.33/16,091.97
6. Step 6: Final answer
   x = 12,442.80