Finding the Fourth Proportional to 2,648.71, 3,972.30 and 982.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.71 : 3,972.30 = 982.33 : x
2. Step 2: Convert to fraction form
   2,648.71/3,972.30 = 982.33/x
3. Step 3: Cross multiply
   2,648.71x = 3,972.30 × 982.33
4. Step 4: Simplify right side
   2,648.71x = 3,902,109.46
5. Step 5: Solve for x
   x = 3,902,109.46/2,648.71
6. Step 6: Final answer
   x = 1,473.21