Finding the Fourth Proportional to 16,091.55, 22,205.34 and 9,017.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,091.55 : 22,205.34 = 9,017.19 : x
2. Step 2: Convert to fraction form
   16,091.55/22,205.34 = 9,017.19/x
3. Step 3: Cross multiply
   16,091.55x = 22,205.34 × 9,017.19
4. Step 4: Simplify right side
   16,091.55x = 200,229,769.79
5. Step 5: Solve for x
   x = 200,229,769.79/16,091.55
6. Step 6: Final answer
   x = 12,443.16