Finding the Fourth Proportional to 2,951.72, 4,427.42 and 760.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.72 : 4,427.42 = 760.56 : x
2. Step 2: Convert to fraction form
   2,951.72/4,427.42 = 760.56/x
3. Step 3: Cross multiply
   2,951.72x = 4,427.42 × 760.56
4. Step 4: Simplify right side
   2,951.72x = 3,367,318.56
5. Step 5: Solve for x
   x = 3,367,318.56/2,951.72
6. Step 6: Final answer
   x = 1,140.80