Finding the Fourth Proportional to 2,215.55, 3,324.08 and 983.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.55 : 3,324.08 = 983.82 : x
2. Step 2: Convert to fraction form
   2,215.55/3,324.08 = 983.82/x
3. Step 3: Cross multiply
   2,215.55x = 3,324.08 × 983.82
4. Step 4: Simplify right side
   2,215.55x = 3,270,298.85
5. Step 5: Solve for x
   x = 3,270,298.85/2,215.55
6. Step 6: Final answer
   x = 1,476.07