Finding the Fourth Proportional to 16,676.47, 23,013.50 and 9,966.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,676.47 : 23,013.50 = 9,966.02 : x
2. Step 2: Convert to fraction form
   16,676.47/23,013.50 = 9,966.02/x
3. Step 3: Cross multiply
   16,676.47x = 23,013.50 × 9,966.02
4. Step 4: Simplify right side
   16,676.47x = 229,353,008.97
5. Step 5: Solve for x
   x = 229,353,008.97/16,676.47
6. Step 6: Final answer
   x = 13,753.09