Finding the Fourth Proportional to 1,274.38, 1,758.71 and 750.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274.38 : 1,758.71 = 750.58 : x
2. Step 2: Convert to fraction form
   1,274.38/1,758.71 = 750.58/x
3. Step 3: Cross multiply
   1,274.38x = 1,758.71 × 750.58
4. Step 4: Simplify right side
   1,274.38x = 1,320,052.55
5. Step 5: Solve for x
   x = 1,320,052.55/1,274.38
6. Step 6: Final answer
   x = 1,035.84