Finding the Fourth Proportional to 12,198.39, 16,829.25 and 7,162.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,198.39 : 16,829.25 = 7,162.83 : x
2. Step 2: Convert to fraction form
   12,198.39/16,829.25 = 7,162.83/x
3. Step 3: Cross multiply
   12,198.39x = 16,829.25 × 7,162.83
4. Step 4: Simplify right side
   12,198.39x = 120,545,056.78
5. Step 5: Solve for x
   x = 120,545,056.78/12,198.39
6. Step 6: Final answer
   x = 9,882.05