Finding the Fourth Proportional to 2,443.15, 3,665.40 and 983.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.15 : 3,665.40 = 983.33 : x
2. Step 2: Convert to fraction form
   2,443.15/3,665.40 = 983.33/x
3. Step 3: Cross multiply
   2,443.15x = 3,665.40 × 983.33
4. Step 4: Simplify right side
   2,443.15x = 3,604,297.78
5. Step 5: Solve for x
   x = 3,604,297.78/2,443.15
6. Step 6: Final answer
   x = 1,475.27