Finding the Fourth Proportional to 8,016.74, 12,027.72 and 3,857.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,016.74 : 12,027.72 = 3,857.09 : x
2. Step 2: Convert to fraction form
   8,016.74/12,027.72 = 3,857.09/x
3. Step 3: Cross multiply
   8,016.74x = 12,027.72 × 3,857.09
4. Step 4: Simplify right side
   8,016.74x = 46,391,952.86
5. Step 5: Solve for x
   x = 46,391,952.86/8,016.74
6. Step 6: Final answer
   x = 5,786.89