Finding the Fourth Proportional to 2,269.95, 3,132.56 and 1,275.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.95 : 3,132.56 = 1,275.58 : x
2. Step 2: Convert to fraction form
   2,269.95/3,132.56 = 1,275.58/x
3. Step 3: Cross multiply
   2,269.95x = 3,132.56 × 1,275.58
4. Step 4: Simplify right side
   2,269.95x = 3,995,830.88
5. Step 5: Solve for x
   x = 3,995,830.88/2,269.95
6. Step 6: Final answer
   x = 1,760.32