Finding the Fourth Proportional to 2,951.98, 4,427.31 and 872.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.98 : 4,427.31 = 872.14 : x
2. Step 2: Convert to fraction form
   2,951.98/4,427.31 = 872.14/x
3. Step 3: Cross multiply
   2,951.98x = 4,427.31 × 872.14
4. Step 4: Simplify right side
   2,951.98x = 3,861,234.14
5. Step 5: Solve for x
   x = 3,861,234.14/2,951.98
6. Step 6: Final answer
   x = 1,308.02