Finding the Fourth Proportional to 2,443.20, 3,664.98 and 982.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.20 : 3,664.98 = 982.36 : x
2. Step 2: Convert to fraction form
   2,443.20/3,664.98 = 982.36/x
3. Step 3: Cross multiply
   2,443.20x = 3,664.98 × 982.36
4. Step 4: Simplify right side
   2,443.20x = 3,600,306.52
5. Step 5: Solve for x
   x = 3,600,306.52/2,443.20
6. Step 6: Final answer
   x = 1,473.60