Finding the Fourth Proportional to 1,274.24, 1,758.72 and 1,175.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274.24 : 1,758.72 = 1,175.42 : x
2. Step 2: Convert to fraction form
   1,274.24/1,758.72 = 1,175.42/x
3. Step 3: Cross multiply
   1,274.24x = 1,758.72 × 1,175.42
4. Step 4: Simplify right side
   1,274.24x = 2,067,234.66
5. Step 5: Solve for x
   x = 2,067,234.66/1,274.24
6. Step 6: Final answer
   x = 1,622.33