Finding the Fourth Proportional to 1,262.94, 1,742.71 and 758.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.94 : 1,742.71 = 758.69 : x
2. Step 2: Convert to fraction form
   1,262.94/1,742.71 = 758.69/x
3. Step 3: Cross multiply
   1,262.94x = 1,742.71 × 758.69
4. Step 4: Simplify right side
   1,262.94x = 1,322,164.14
5. Step 5: Solve for x
   x = 1,322,164.14/1,262.94
6. Step 6: Final answer
   x = 1,046.90