Finding the Fourth Proportional to 2,270.54, 3,133.23 and 1,275.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.54 : 3,133.23 = 1,275.86 : x
2. Step 2: Convert to fraction form
   2,270.54/3,133.23 = 1,275.86/x
3. Step 3: Cross multiply
   2,270.54x = 3,133.23 × 1,275.86
4. Step 4: Simplify right side
   2,270.54x = 3,997,562.83
5. Step 5: Solve for x
   x = 3,997,562.83/2,270.54
6. Step 6: Final answer
   x = 1,760.62