Finding the Fourth Proportional to 2,443.58, 3,665.37 and 982.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.58 : 3,665.37 = 982.39 : x
2. Step 2: Convert to fraction form
   2,443.58/3,665.37 = 982.39/x
3. Step 3: Cross multiply
   2,443.58x = 3,665.37 × 982.39
4. Step 4: Simplify right side
   2,443.58x = 3,600,815.94
5. Step 5: Solve for x
   x = 3,600,815.94/2,443.58
6. Step 6: Final answer
   x = 1,473.58