Finding the Fourth Proportional to 2,379.33, 3,283.61 and 1,331.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.33 : 3,283.61 = 1,331.49 : x
2. Step 2: Convert to fraction form
   2,379.33/3,283.61 = 1,331.49/x
3. Step 3: Cross multiply
   2,379.33x = 3,283.61 × 1,331.49
4. Step 4: Simplify right side
   2,379.33x = 4,372,087.22
5. Step 5: Solve for x
   x = 4,372,087.22/2,379.33
6. Step 6: Final answer
   x = 1,837.53