Finding the Fourth Proportional to 2,240.33, 3,091.91 and 1,283.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.33 : 3,091.91 = 1,283.33 : x
2. Step 2: Convert to fraction form
   2,240.33/3,091.91 = 1,283.33/x
3. Step 3: Cross multiply
   2,240.33x = 3,091.91 × 1,283.33
4. Step 4: Simplify right side
   2,240.33x = 3,967,942.17
5. Step 5: Solve for x
   x = 3,967,942.17/2,240.33
6. Step 6: Final answer
   x = 1,771.14