Finding the Fourth Proportional to 2,951.03, 4,427.25 and 870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.03 : 4,427.25 = 870.98 : x
2. Step 2: Convert to fraction form
   2,951.03/4,427.25 = 870.98/x
3. Step 3: Cross multiply
   2,951.03x = 4,427.25 × 870.98
4. Step 4: Simplify right side
   2,951.03x = 3,856,065.56
5. Step 5: Solve for x
   x = 3,856,065.56/2,951.03
6. Step 6: Final answer
   x = 1,306.69