Finding the Fourth Proportional to 1,976.59, 2,965.16 and 677.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.59 : 2,965.16 = 677.89 : x
2. Step 2: Convert to fraction form
   1,976.59/2,965.16 = 677.89/x
3. Step 3: Cross multiply
   1,976.59x = 2,965.16 × 677.89
4. Step 4: Simplify right side
   1,976.59x = 2,010,052.31
5. Step 5: Solve for x
   x = 2,010,052.31/1,976.59
6. Step 6: Final answer
   x = 1,016.93