Finding the Fourth Proportional to 1,005.59, 1,383.57 and 982.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005.59 : 1,383.57 = 982.28 : x
2. Step 2: Convert to fraction form
   1,005.59/1,383.57 = 982.28/x
3. Step 3: Cross multiply
   1,005.59x = 1,383.57 × 982.28
4. Step 4: Simplify right side
   1,005.59x = 1,359,046.22
5. Step 5: Solve for x
   x = 1,359,046.22/1,005.59
6. Step 6: Final answer
   x = 1,351.50