Finding the Fourth Proportional to 2,216.66, 3,323.83 and 983.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.66 : 3,323.83 = 983.54 : x
2. Step 2: Convert to fraction form
   2,216.66/3,323.83 = 983.54/x
3. Step 3: Cross multiply
   2,216.66x = 3,323.83 × 983.54
4. Step 4: Simplify right side
   2,216.66x = 3,269,119.76
5. Step 5: Solve for x
   x = 3,269,119.76/2,216.66
6. Step 6: Final answer
   x = 1,474.80