Finding the Fourth Proportional to 16,091.89, 22,206.76 and 9,018.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,091.89 : 22,206.76 = 9,018.30 : x
2. Step 2: Convert to fraction form
   16,091.89/22,206.76 = 9,018.30/x
3. Step 3: Cross multiply
   16,091.89x = 22,206.76 × 9,018.30
4. Step 4: Simplify right side
   16,091.89x = 200,267,284.44
5. Step 5: Solve for x
   x = 200,267,284.44/16,091.89
6. Step 6: Final answer
   x = 12,445.23