Finding the Fourth Proportional to 1,111.53, 1,673.46 and 982.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.53 : 1,673.46 = 982.27 : x
2. Step 2: Convert to fraction form
   1,111.53/1,673.46 = 982.27/x
3. Step 3: Cross multiply
   1,111.53x = 1,673.46 × 982.27
4. Step 4: Simplify right side
   1,111.53x = 1,643,789.55
5. Step 5: Solve for x
   x = 1,643,789.55/1,111.53
6. Step 6: Final answer
   x = 1,478.85