Finding the Fourth Proportional to 2,443.39, 3,665.87 and 883.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.39 : 3,665.87 = 883.39 : x
2. Step 2: Convert to fraction form
   2,443.39/3,665.87 = 883.39/x
3. Step 3: Cross multiply
   2,443.39x = 3,665.87 × 883.39
4. Step 4: Simplify right side
   2,443.39x = 3,238,392.90
5. Step 5: Solve for x
   x = 3,238,392.90/2,443.39
6. Step 6: Final answer
   x = 1,325.37