Finding the Fourth Proportional to 1,722.31, 2,584.69 and 682.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.31 : 2,584.69 = 682.54 : x
2. Step 2: Convert to fraction form
   1,722.31/2,584.69 = 682.54/x
3. Step 3: Cross multiply
   1,722.31x = 2,584.69 × 682.54
4. Step 4: Simplify right side
   1,722.31x = 1,764,149.50
5. Step 5: Solve for x
   x = 1,764,149.50/1,722.31
6. Step 6: Final answer
   x = 1,024.29