Finding the Fourth Proportional to 2,269.98, 3,132.52 and 1,275.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.98 : 3,132.52 = 1,275.30 : x
2. Step 2: Convert to fraction form
   2,269.98/3,132.52 = 1,275.30/x
3. Step 3: Cross multiply
   2,269.98x = 3,132.52 × 1,275.30
4. Step 4: Simplify right side
   2,269.98x = 3,994,902.76
5. Step 5: Solve for x
   x = 3,994,902.76/2,269.98
6. Step 6: Final answer
   x = 1,759.88