Finding the Fourth Proportional to 1,683.03, 2,321.60 and 984.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683.03 : 2,321.60 = 984.27 : x
2. Step 2: Convert to fraction form
   1,683.03/2,321.60 = 984.27/x
3. Step 3: Cross multiply
   1,683.03x = 2,321.60 × 984.27
4. Step 4: Simplify right side
   1,683.03x = 2,285,076.31
5. Step 5: Solve for x
   x = 2,285,076.31/1,683.03
6. Step 6: Final answer
   x = 1,357.72