Finding the Fourth Proportional to 2,216.16, 3,323.88 and 983.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.16 : 3,323.88 = 983.52 : x
2. Step 2: Convert to fraction form
   2,216.16/3,323.88 = 983.52/x
3. Step 3: Cross multiply
   2,216.16x = 3,323.88 × 983.52
4. Step 4: Simplify right side
   2,216.16x = 3,269,102.46
5. Step 5: Solve for x
   x = 3,269,102.46/2,216.16
6. Step 6: Final answer
   x = 1,475.12