Finding the Fourth Proportional to 2,583.52, 3,874.98 and 939.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.52 : 3,874.98 = 939.58 : x
2. Step 2: Convert to fraction form
   2,583.52/3,874.98 = 939.58/x
3. Step 3: Cross multiply
   2,583.52x = 3,874.98 × 939.58
4. Step 4: Simplify right side
   2,583.52x = 3,640,853.71
5. Step 5: Solve for x
   x = 3,640,853.71/2,583.52
6. Step 6: Final answer
   x = 1,409.26