Finding the Fourth Proportional to 8,899.50, 12,267.17 and 7,008.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,899.50 : 12,267.17 = 7,008.09 : x
2. Step 2: Convert to fraction form
   8,899.50/12,267.17 = 7,008.09/x
3. Step 3: Cross multiply
   8,899.50x = 12,267.17 × 7,008.09
4. Step 4: Simplify right side
   8,899.50x = 85,969,431.41
5. Step 5: Solve for x
   x = 85,969,431.41/8,899.50
6. Step 6: Final answer
   x = 9,660.03