Finding the Fourth Proportional to 2,210.49, 3,311.33 and 1,283.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.49 : 3,311.33 = 1,283.31 : x
2. Step 2: Convert to fraction form
   2,210.49/3,311.33 = 1,283.31/x
3. Step 3: Cross multiply
   2,210.49x = 3,311.33 × 1,283.31
4. Step 4: Simplify right side
   2,210.49x = 4,249,456.49
5. Step 5: Solve for x
   x = 4,249,456.49/2,210.49
6. Step 6: Final answer
   x = 1,922.40