Finding the Fourth Proportional to 1,722.30, 2,581.93 and 683.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.30 : 2,581.93 = 683.03 : x
2. Step 2: Convert to fraction form
   1,722.30/2,581.93 = 683.03/x
3. Step 3: Cross multiply
   1,722.30x = 2,581.93 × 683.03
4. Step 4: Simplify right side
   1,722.30x = 1,763,535.69
5. Step 5: Solve for x
   x = 1,763,535.69/1,722.30
6. Step 6: Final answer
   x = 1,023.94