Finding the Fourth Proportional to 12,198.02, 16,832.90 and 7,162.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,198.02 : 16,832.90 = 7,162.16 : x
2. Step 2: Convert to fraction form
   12,198.02/16,832.90 = 7,162.16/x
3. Step 3: Cross multiply
   12,198.02x = 16,832.90 × 7,162.16
4. Step 4: Simplify right side
   12,198.02x = 120,559,923.06
5. Step 5: Solve for x
   x = 120,559,923.06/12,198.02
6. Step 6: Final answer
   x = 9,883.56