Finding the Fourth Proportional to 2,269.81, 3,132.30 and 1,275.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.81 : 3,132.30 = 1,275.06 : x
2. Step 2: Convert to fraction form
   2,269.81/3,132.30 = 1,275.06/x
3. Step 3: Cross multiply
   2,269.81x = 3,132.30 × 1,275.06
4. Step 4: Simplify right side
   2,269.81x = 3,993,870.44
5. Step 5: Solve for x
   x = 3,993,870.44/2,269.81
6. Step 6: Final answer
   x = 1,759.56