Finding the Fourth Proportional to 1,768.43, 2,440.56 and 982.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.43 : 2,440.56 = 982.47 : x
2. Step 2: Convert to fraction form
   1,768.43/2,440.56 = 982.47/x
3. Step 3: Cross multiply
   1,768.43x = 2,440.56 × 982.47
4. Step 4: Simplify right side
   1,768.43x = 2,397,789.82
5. Step 5: Solve for x
   x = 2,397,789.82/1,768.43
6. Step 6: Final answer
   x = 1,355.88