Finding the Fourth Proportional to 3,456.27, 4,769.78 and 1,964.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.27 : 4,769.78 = 1,964.25 : x
2. Step 2: Convert to fraction form
   3,456.27/4,769.78 = 1,964.25/x
3. Step 3: Cross multiply
   3,456.27x = 4,769.78 × 1,964.25
4. Step 4: Simplify right side
   3,456.27x = 9,369,030.54
5. Step 5: Solve for x
   x = 9,369,030.54/3,456.27
6. Step 6: Final answer
   x = 2,710.73