Finding the Fourth Proportional to 3,969.36, 5,951.34 and 2,017.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.36 : 5,951.34 = 2,017.80 : x
2. Step 2: Convert to fraction form
   3,969.36/5,951.34 = 2,017.80/x
3. Step 3: Cross multiply
   3,969.36x = 5,951.34 × 2,017.80
4. Step 4: Simplify right side
   3,969.36x = 12,008,613.85
5. Step 5: Solve for x
   x = 12,008,613.85/3,969.36
6. Step 6: Final answer
   x = 3,025.33