Finding the Fourth Proportional to 1,982.28, 2,971.56 and 682.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.28 : 2,971.56 = 682.82 : x
2. Step 2: Convert to fraction form
   1,982.28/2,971.56 = 682.82/x
3. Step 3: Cross multiply
   1,982.28x = 2,971.56 × 682.82
4. Step 4: Simplify right side
   1,982.28x = 2,029,040.60
5. Step 5: Solve for x
   x = 2,029,040.60/1,982.28
6. Step 6: Final answer
   x = 1,023.59