Finding the Fourth Proportional to 2,338.33, 3,227.03 and 1,290.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.33 : 3,227.03 = 1,290.49 : x
2. Step 2: Convert to fraction form
   2,338.33/3,227.03 = 1,290.49/x
3. Step 3: Cross multiply
   2,338.33x = 3,227.03 × 1,290.49
4. Step 4: Simplify right side
   2,338.33x = 4,164,443.49
5. Step 5: Solve for x
   x = 4,164,443.49/2,338.33
6. Step 6: Final answer
   x = 1,780.95