Finding the Fourth Proportional to 2,443.49, 3,664.32 and 982.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.49 : 3,664.32 = 982.15 : x
2. Step 2: Convert to fraction form
   2,443.49/3,664.32 = 982.15/x
3. Step 3: Cross multiply
   2,443.49x = 3,664.32 × 982.15
4. Step 4: Simplify right side
   2,443.49x = 3,598,911.89
5. Step 5: Solve for x
   x = 3,598,911.89/2,443.49
6. Step 6: Final answer
   x = 1,472.86