Finding the Fourth Proportional to 8,016.65, 12,021.89 and 3,338.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,016.65 : 12,021.89 = 3,338.87 : x
2. Step 2: Convert to fraction form
   8,016.65/12,021.89 = 3,338.87/x
3. Step 3: Cross multiply
   8,016.65x = 12,021.89 × 3,338.87
4. Step 4: Simplify right side
   8,016.65x = 40,139,476.10
5. Step 5: Solve for x
   x = 40,139,476.10/8,016.65
6. Step 6: Final answer
   x = 5,007.01