Finding the Fourth Proportional to 1,339.46, 2,012.27 and 950.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.46 : 2,012.27 = 950.43 : x
2. Step 2: Convert to fraction form
   1,339.46/2,012.27 = 950.43/x
3. Step 3: Cross multiply
   1,339.46x = 2,012.27 × 950.43
4. Step 4: Simplify right side
   1,339.46x = 1,912,521.78
5. Step 5: Solve for x
   x = 1,912,521.78/1,339.46
6. Step 6: Final answer
   x = 1,427.83