Finding the Fourth Proportional to 2,443.92, 3,666.60 and 983.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.92 : 3,666.60 = 983.22 : x
2. Step 2: Convert to fraction form
   2,443.92/3,666.60 = 983.22/x
3. Step 3: Cross multiply
   2,443.92x = 3,666.60 × 983.22
4. Step 4: Simplify right side
   2,443.92x = 3,605,074.45
5. Step 5: Solve for x
   x = 3,605,074.45/2,443.92
6. Step 6: Final answer
   x = 1,475.12