Finding the Fourth Proportional to 16,650.56, 22,977.72 and 9,198.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,650.56 : 22,977.72 = 9,198.56 : x
2. Step 2: Convert to fraction form
   16,650.56/22,977.72 = 9,198.56/x
3. Step 3: Cross multiply
   16,650.56x = 22,977.72 × 9,198.56
4. Step 4: Simplify right side
   16,650.56x = 211,361,936.08
5. Step 5: Solve for x
   x = 211,361,936.08/16,650.56
6. Step 6: Final answer
   x = 12,693.98