Finding the Fourth Proportional to 1,648.92, 2,275.43 and 950.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.92 : 2,275.43 = 950.25 : x
2. Step 2: Convert to fraction form
   1,648.92/2,275.43 = 950.25/x
3. Step 3: Cross multiply
   1,648.92x = 2,275.43 × 950.25
4. Step 4: Simplify right side
   1,648.92x = 2,162,222.61
5. Step 5: Solve for x
   x = 2,162,222.61/1,648.92
6. Step 6: Final answer
   x = 1,311.30