Finding the Fourth Proportional to 2,269.35, 3,132.05 and 1,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.35 : 3,132.05 = 1,274.72 : x
2. Step 2: Convert to fraction form
   2,269.35/3,132.05 = 1,274.72/x
3. Step 3: Cross multiply
   2,269.35x = 3,132.05 × 1,274.72
4. Step 4: Simplify right side
   2,269.35x = 3,992,464.74
5. Step 5: Solve for x
   x = 3,992,464.74/2,269.35
6. Step 6: Final answer
   x = 1,759.30