Finding the Fourth Proportional to 2,069.82, 3,104.55 and 683.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.82 : 3,104.55 = 683.12 : x
2. Step 2: Convert to fraction form
   2,069.82/3,104.55 = 683.12/x
3. Step 3: Cross multiply
   2,069.82x = 3,104.55 × 683.12
4. Step 4: Simplify right side
   2,069.82x = 2,120,787.96
5. Step 5: Solve for x
   x = 2,120,787.96/2,069.82
6. Step 6: Final answer
   x = 1,024.62