Finding the Fourth Proportional to 2,014.08, 3,015.18 and 1,964.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.08 : 3,015.18 = 1,964.40 : x
2. Step 2: Convert to fraction form
   2,014.08/3,015.18 = 1,964.40/x
3. Step 3: Cross multiply
   2,014.08x = 3,015.18 × 1,964.40
4. Step 4: Simplify right side
   2,014.08x = 5,923,019.59
5. Step 5: Solve for x
   x = 5,923,019.59/2,014.08
6. Step 6: Final answer
   x = 2,940.81