Finding the Fourth Proportional to 2,271.24, 3,134.32 and 1,276.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.24 : 3,134.32 = 1,276.56 : x
2. Step 2: Convert to fraction form
   2,271.24/3,134.32 = 1,276.56/x
3. Step 3: Cross multiply
   2,271.24x = 3,134.32 × 1,276.56
4. Step 4: Simplify right side
   2,271.24x = 4,001,147.54
5. Step 5: Solve for x
   x = 4,001,147.54/2,271.24
6. Step 6: Final answer
   x = 1,761.66