Finding the Fourth Proportional to 2,379.83, 3,284.26 and 1,331.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.83 : 3,284.26 = 1,331.89 : x
2. Step 2: Convert to fraction form
   2,379.83/3,284.26 = 1,331.89/x
3. Step 3: Cross multiply
   2,379.83x = 3,284.26 × 1,331.89
4. Step 4: Simplify right side
   2,379.83x = 4,374,273.05
5. Step 5: Solve for x
   x = 4,374,273.05/2,379.83
6. Step 6: Final answer
   x = 1,838.06