Finding the Fourth Proportional to 12,198.55, 16,834.13 and 7,162.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,198.55 : 16,834.13 = 7,162.83 : x
2. Step 2: Convert to fraction form
   12,198.55/16,834.13 = 7,162.83/x
3. Step 3: Cross multiply
   12,198.55x = 16,834.13 × 7,162.83
4. Step 4: Simplify right side
   12,198.55x = 120,580,002.43
5. Step 5: Solve for x
   x = 120,580,002.43/12,198.55
6. Step 6: Final answer
   x = 9,884.78