Finding the Fourth Proportional to 12,196.44, 16,827.26 and 6,890.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.44 : 16,827.26 = 6,890.31 : x
2. Step 2: Convert to fraction form
   12,196.44/16,827.26 = 6,890.31/x
3. Step 3: Cross multiply
   12,196.44x = 16,827.26 × 6,890.31
4. Step 4: Simplify right side
   12,196.44x = 115,945,003.40
5. Step 5: Solve for x
   x = 115,945,003.40/12,196.44
6. Step 6: Final answer
   x = 9,506.46