Finding the Fourth Proportional to 16,676.74, 23,012.40 and 9,602.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,676.74 : 23,012.40 = 9,602.20 : x
2. Step 2: Convert to fraction form
   16,676.74/23,012.40 = 9,602.20/x
3. Step 3: Cross multiply
   16,676.74x = 23,012.40 × 9,602.20
4. Step 4: Simplify right side
   16,676.74x = 220,969,667.28
5. Step 5: Solve for x
   x = 220,969,667.28/16,676.74
6. Step 6: Final answer
   x = 13,250.17