Finding the Fourth Proportional to 12,198.34, 16,833.84 and 7,162.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,198.34 : 16,833.84 = 7,162.62 : x
2. Step 2: Convert to fraction form
   12,198.34/16,833.84 = 7,162.62/x
3. Step 3: Cross multiply
   12,198.34x = 16,833.84 × 7,162.62
4. Step 4: Simplify right side
   12,198.34x = 120,574,366.49
5. Step 5: Solve for x
   x = 120,574,366.49/12,198.34
6. Step 6: Final answer
   x = 9,884.49