Finding the Fourth Proportional to 2,270.24, 3,132.90 and 1,275.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.24 : 3,132.90 = 1,275.50 : x
2. Step 2: Convert to fraction form
   2,270.24/3,132.90 = 1,275.50/x
3. Step 3: Cross multiply
   2,270.24x = 3,132.90 × 1,275.50
4. Step 4: Simplify right side
   2,270.24x = 3,996,013.95
5. Step 5: Solve for x
   x = 3,996,013.95/2,270.24
6. Step 6: Final answer
   x = 1,760.17