Finding the Fourth Proportional to 12,185.28, 16,814.52 and 9,673.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,185.28 : 16,814.52 = 9,673.47 : x
2. Step 2: Convert to fraction form
   12,185.28/16,814.52 = 9,673.47/x
3. Step 3: Cross multiply
   12,185.28x = 16,814.52 × 9,673.47
4. Step 4: Simplify right side
   12,185.28x = 162,654,754.78
5. Step 5: Solve for x
   x = 162,654,754.78/12,185.28
6. Step 6: Final answer
   x = 13,348.46