Finding the Fourth Proportional to 2,069.21, 3,104.00 and 682.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.21 : 3,104.00 = 682.55 : x
2. Step 2: Convert to fraction form
   2,069.21/3,104.00 = 682.55/x
3. Step 3: Cross multiply
   2,069.21x = 3,104.00 × 682.55
4. Step 4: Simplify right side
   2,069.21x = 2,118,616.27
5. Step 5: Solve for x
   x = 2,118,616.27/2,069.21
6. Step 6: Final answer
   x = 1,023.88