Finding the Fourth Proportional to 1,982.37, 2,974.56 and 1,324.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.37 : 2,974.56 = 1,324.69 : x
2. Step 2: Convert to fraction form
   1,982.37/2,974.56 = 1,324.69/x
3. Step 3: Cross multiply
   1,982.37x = 2,974.56 × 1,324.69
4. Step 4: Simplify right side
   1,982.37x = 3,940,369.89
5. Step 5: Solve for x
   x = 3,940,369.89/1,982.37
6. Step 6: Final answer
   x = 1,987.71