Finding the Fourth Proportional to 2,269.82, 3,132.40 and 1,275.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.82 : 3,132.40 = 1,275.10 : x
2. Step 2: Convert to fraction form
   2,269.82/3,132.40 = 1,275.10/x
3. Step 3: Cross multiply
   2,269.82x = 3,132.40 × 1,275.10
4. Step 4: Simplify right side
   2,269.82x = 3,994,126.12
5. Step 5: Solve for x
   x = 3,994,126.12/2,269.82
6. Step 6: Final answer
   x = 1,759.66