Finding the Fourth Proportional to 16,676.88, 23,018.76 and 9,606.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,676.88 : 23,018.76 = 9,606.12 : x
2. Step 2: Convert to fraction form
   16,676.88/23,018.76 = 9,606.12/x
3. Step 3: Cross multiply
   16,676.88x = 23,018.76 × 9,606.12
4. Step 4: Simplify right side
   16,676.88x = 221,120,970.81
5. Step 5: Solve for x
   x = 221,120,970.81/16,676.88
6. Step 6: Final answer
   x = 13,259.13