Finding the Fourth Proportional to 2,269.71, 3,132.15 and 1,275.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.71 : 3,132.15 = 1,275.03 : x
2. Step 2: Convert to fraction form
   2,269.71/3,132.15 = 1,275.03/x
3. Step 3: Cross multiply
   2,269.71x = 3,132.15 × 1,275.03
4. Step 4: Simplify right side
   2,269.71x = 3,993,585.21
5. Step 5: Solve for x
   x = 3,993,585.21/2,269.71
6. Step 6: Final answer
   x = 1,759.51