Finding the Fourth Proportional to 2,269.74, 3,132.56 and 1,275.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.74 : 3,132.56 = 1,275.09 : x
2. Step 2: Convert to fraction form
   2,269.74/3,132.56 = 1,275.09/x
3. Step 3: Cross multiply
   2,269.74x = 3,132.56 × 1,275.09
4. Step 4: Simplify right side
   2,269.74x = 3,994,289.55
5. Step 5: Solve for x
   x = 3,994,289.55/2,269.74
6. Step 6: Final answer
   x = 1,759.80