Finding the Fourth Proportional to 2,443.70, 3,665.71 and 982.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.70 : 3,665.71 = 982.65 : x
2. Step 2: Convert to fraction form
   2,443.70/3,665.71 = 982.65/x
3. Step 3: Cross multiply
   2,443.70x = 3,665.71 × 982.65
4. Step 4: Simplify right side
   2,443.70x = 3,602,105.02
5. Step 5: Solve for x
   x = 3,602,105.02/2,443.70
6. Step 6: Final answer
   x = 1,474.04