Finding the Fourth Proportional to 2,270.03, 3,132.90 and 1,275.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.03 : 3,132.90 = 1,275.30 : x
2. Step 2: Convert to fraction form
   2,270.03/3,132.90 = 1,275.30/x
3. Step 3: Cross multiply
   2,270.03x = 3,132.90 × 1,275.30
4. Step 4: Simplify right side
   2,270.03x = 3,995,387.37
5. Step 5: Solve for x
   x = 3,995,387.37/2,270.03
6. Step 6: Final answer
   x = 1,760.06