Finding the Fourth Proportional to 16,676.91, 23,014.17 and 9,123.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,676.91 : 23,014.17 = 9,123.06 : x
2. Step 2: Convert to fraction form
   16,676.91/23,014.17 = 9,123.06/x
3. Step 3: Cross multiply
   16,676.91x = 23,014.17 × 9,123.06
4. Step 4: Simplify right side
   16,676.91x = 209,959,653.76
5. Step 5: Solve for x
   x = 209,959,653.76/16,676.91
6. Step 6: Final answer
   x = 12,589.84