Finding the Fourth Proportional to 12,196.27, 16,828.05 and 6,817.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.27 : 16,828.05 = 6,817.16 : x
2. Step 2: Convert to fraction form
   12,196.27/16,828.05 = 6,817.16/x
3. Step 3: Cross multiply
   12,196.27x = 16,828.05 × 6,817.16
4. Step 4: Simplify right side
   12,196.27x = 114,719,576.97
5. Step 5: Solve for x
   x = 114,719,576.97/12,196.27
6. Step 6: Final answer
   x = 9,406.12