Finding the Fourth Proportional to 2,951.67, 4,426.69 and 871.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.67 : 4,426.69 = 871.46 : x
2. Step 2: Convert to fraction form
   2,951.67/4,426.69 = 871.46/x
3. Step 3: Cross multiply
   2,951.67x = 4,426.69 × 871.46
4. Step 4: Simplify right side
   2,951.67x = 3,857,661.13
5. Step 5: Solve for x
   x = 3,857,661.13/2,951.67
6. Step 6: Final answer
   x = 1,306.94