Finding the Fourth Proportional to 4,016.05, 6,019.82 and 2,166.65

Step by Step Solution

1. Step 1: Write the proportion equation
   4,016.05 : 6,019.82 = 2,166.65 : x
2. Step 2: Convert to fraction form
   4,016.05/6,019.82 = 2,166.65/x
3. Step 3: Cross multiply
   4,016.05x = 6,019.82 × 2,166.65
4. Step 4: Simplify right side
   4,016.05x = 13,042,832.77
5. Step 5: Solve for x
   x = 13,042,832.77/4,016.05
6. Step 6: Final answer
   x = 3,247.68