Finding the Fourth Proportional to 1,274.52, 1,758.72 and 743.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274.52 : 1,758.72 = 743.52 : x
2. Step 2: Convert to fraction form
   1,274.52/1,758.72 = 743.52/x
3. Step 3: Cross multiply
   1,274.52x = 1,758.72 × 743.52
4. Step 4: Simplify right side
   1,274.52x = 1,307,643.49
5. Step 5: Solve for x
   x = 1,307,643.49/1,274.52
6. Step 6: Final answer
   x = 1,025.99