Finding the Fourth Proportional to 2,443.20, 3,667.44 and 983.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.20 : 3,667.44 = 983.36 : x
2. Step 2: Convert to fraction form
   2,443.20/3,667.44 = 983.36/x
3. Step 3: Cross multiply
   2,443.20x = 3,667.44 × 983.36
4. Step 4: Simplify right side
   2,443.20x = 3,606,413.80
5. Step 5: Solve for x
   x = 3,606,413.80/2,443.20
6. Step 6: Final answer
   x = 1,476.10