Finding the Fourth Proportional to 2,270.39, 3,132.81 and 1,275.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.39 : 3,132.81 = 1,275.62 : x
2. Step 2: Convert to fraction form
   2,270.39/3,132.81 = 1,275.62/x
3. Step 3: Cross multiply
   2,270.39x = 3,132.81 × 1,275.62
4. Step 4: Simplify right side
   2,270.39x = 3,996,259.43
5. Step 5: Solve for x
   x = 3,996,259.43/2,270.39
6. Step 6: Final answer
   x = 1,760.17