Finding the Fourth Proportional to 2,216.82, 3,325.31 and 983.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.82 : 3,325.31 = 983.46 : x
2. Step 2: Convert to fraction form
   2,216.82/3,325.31 = 983.46/x
3. Step 3: Cross multiply
   2,216.82x = 3,325.31 × 983.46
4. Step 4: Simplify right side
   2,216.82x = 3,270,309.37
5. Step 5: Solve for x
   x = 3,270,309.37/2,216.82
6. Step 6: Final answer
   x = 1,475.23