Finding the Fourth Proportional to 2,069.49, 3,104.61 and 682.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.49 : 3,104.61 = 682.89 : x
2. Step 2: Convert to fraction form
   2,069.49/3,104.61 = 682.89/x
3. Step 3: Cross multiply
   2,069.49x = 3,104.61 × 682.89
4. Step 4: Simplify right side
   2,069.49x = 2,120,107.12
5. Step 5: Solve for x
   x = 2,120,107.12/2,069.49
6. Step 6: Final answer
   x = 1,024.46