Finding the Fourth Proportional to 2,275.71, 3,414.87 and 959.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.71 : 3,414.87 = 959.37 : x
2. Step 2: Convert to fraction form
   2,275.71/3,414.87 = 959.37/x
3. Step 3: Cross multiply
   2,275.71x = 3,414.87 × 959.37
4. Step 4: Simplify right side
   2,275.71x = 3,276,123.83
5. Step 5: Solve for x
   x = 3,276,123.83/2,275.71
6. Step 6: Final answer
   x = 1,439.61