Finding the Fourth Proportional to 16,091.13, 22,205.76 and 9,017.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,091.13 : 22,205.76 = 9,017.60 : x
2. Step 2: Convert to fraction form
   16,091.13/22,205.76 = 9,017.60/x
3. Step 3: Cross multiply
   16,091.13x = 22,205.76 × 9,017.60
4. Step 4: Simplify right side
   16,091.13x = 200,242,661.38
5. Step 5: Solve for x
   x = 200,242,661.38/16,091.13
6. Step 6: Final answer
   x = 12,444.29