Finding the Fourth Proportional to 12,227.80, 16,836.58 and 9,549.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,227.80 : 16,836.58 = 9,549.83 : x
2. Step 2: Convert to fraction form
   12,227.80/16,836.58 = 9,549.83/x
3. Step 3: Cross multiply
   12,227.80x = 16,836.58 × 9,549.83
4. Step 4: Simplify right side
   12,227.80x = 160,786,429.03
5. Step 5: Solve for x
   x = 160,786,429.03/12,227.80
6. Step 6: Final answer
   x = 13,149.26