Finding the Fourth Proportional to 12,231.77, 16,885.02 and 8,258.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,231.77 : 16,885.02 = 8,258.27 : x
2. Step 2: Convert to fraction form
   12,231.77/16,885.02 = 8,258.27/x
3. Step 3: Cross multiply
   12,231.77x = 16,885.02 × 8,258.27
4. Step 4: Simplify right side
   12,231.77x = 139,441,096.33
5. Step 5: Solve for x
   x = 139,441,096.33/12,231.77
6. Step 6: Final answer
   x = 11,399.91