Finding the Fourth Proportional to 2,069.53, 3,103.92 and 682.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.53 : 3,103.92 = 682.88 : x
2. Step 2: Convert to fraction form
   2,069.53/3,103.92 = 682.88/x
3. Step 3: Cross multiply
   2,069.53x = 3,103.92 × 682.88
4. Step 4: Simplify right side
   2,069.53x = 2,119,604.89
5. Step 5: Solve for x
   x = 2,119,604.89/2,069.53
6. Step 6: Final answer
   x = 1,024.20