Finding the Fourth Proportional to 3,967.57, 5,951.96 and 2,018.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.57 : 5,951.96 = 2,018.71 : x
2. Step 2: Convert to fraction form
   3,967.57/5,951.96 = 2,018.71/x
3. Step 3: Cross multiply
   3,967.57x = 5,951.96 × 2,018.71
4. Step 4: Simplify right side
   3,967.57x = 12,015,281.17
5. Step 5: Solve for x
   x = 12,015,281.17/3,967.57
6. Step 6: Final answer
   x = 3,028.37