Finding the Fourth Proportional to 1,976.46, 2,964.72 and 677.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.46 : 2,964.72 = 677.94 : x
2. Step 2: Convert to fraction form
   1,976.46/2,964.72 = 677.94/x
3. Step 3: Cross multiply
   1,976.46x = 2,964.72 × 677.94
4. Step 4: Simplify right side
   1,976.46x = 2,009,902.28
5. Step 5: Solve for x
   x = 2,009,902.28/1,976.46
6. Step 6: Final answer
   x = 1,016.92