Finding the Fourth Proportional to 16,751.89, 23,116.56 and 9,198.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,751.89 : 23,116.56 = 9,198.18 : x
2. Step 2: Convert to fraction form
   16,751.89/23,116.56 = 9,198.18/x
3. Step 3: Cross multiply
   16,751.89x = 23,116.56 × 9,198.18
4. Step 4: Simplify right side
   16,751.89x = 212,630,310.38
5. Step 5: Solve for x
   x = 212,630,310.38/16,751.89
6. Step 6: Final answer
   x = 12,692.92