Finding the Fourth Proportional to 1,452.72, 2,175.98 and 757.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.72 : 2,175.98 = 757.32 : x
2. Step 2: Convert to fraction form
   1,452.72/2,175.98 = 757.32/x
3. Step 3: Cross multiply
   1,452.72x = 2,175.98 × 757.32
4. Step 4: Simplify right side
   1,452.72x = 1,647,913.17
5. Step 5: Solve for x
   x = 1,647,913.17/1,452.72
6. Step 6: Final answer
   x = 1,134.36