Finding the Fourth Proportional to 1,768.69, 2,440.77 and 982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.69 : 2,440.77 = 982.72 : x
2. Step 2: Convert to fraction form
   1,768.69/2,440.77 = 982.72/x
3. Step 3: Cross multiply
   1,768.69x = 2,440.77 × 982.72
4. Step 4: Simplify right side
   1,768.69x = 2,398,581.29
5. Step 5: Solve for x
   x = 2,398,581.29/1,768.69
6. Step 6: Final answer
   x = 1,356.14