Finding the Fourth Proportional to 1,768.47, 2,440.50 and 982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.47 : 2,440.50 = 982.50 : x
2. Step 2: Convert to fraction form
   1,768.47/2,440.50 = 982.50/x
3. Step 3: Cross multiply
   1,768.47x = 2,440.50 × 982.50
4. Step 4: Simplify right side
   1,768.47x = 2,397,778.41
5. Step 5: Solve for x
   x = 2,397,778.41/1,768.47
6. Step 6: Final answer
   x = 1,355.85