Finding the Fourth Proportional to 2,054.31, 3,083.31 and 959.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.31 : 3,083.31 = 959.42 : x
2. Step 2: Convert to fraction form
   2,054.31/3,083.31 = 959.42/x
3. Step 3: Cross multiply
   2,054.31x = 3,083.31 × 959.42
4. Step 4: Simplify right side
   2,054.31x = 2,958,173.86
5. Step 5: Solve for x
   x = 2,958,173.86/2,054.31
6. Step 6: Final answer
   x = 1,439.98