Finding the Fourth Proportional to 2,270.22, 3,132.92 and 1,275.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.22 : 3,132.92 = 1,275.50 : x
2. Step 2: Convert to fraction form
   2,270.22/3,132.92 = 1,275.50/x
3. Step 3: Cross multiply
   2,270.22x = 3,132.92 × 1,275.50
4. Step 4: Simplify right side
   2,270.22x = 3,996,039.46
5. Step 5: Solve for x
   x = 3,996,039.46/2,270.22
6. Step 6: Final answer
   x = 1,760.20