Finding the Fourth Proportional to 8,009.96, 12,016.91 and 3,328.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,009.96 : 12,016.91 = 3,328.56 : x
2. Step 2: Convert to fraction form
   8,009.96/12,016.91 = 3,328.56/x
3. Step 3: Cross multiply
   8,009.96x = 12,016.91 × 3,328.56
4. Step 4: Simplify right side
   8,009.96x = 39,999,014.27
5. Step 5: Solve for x
   x = 39,999,014.27/8,009.96
6. Step 6: Final answer
   x = 4,993.66