Finding the Fourth Proportional to 1,090.38, 1,504.52 and 758.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090.38 : 1,504.52 = 758.69 : x
2. Step 2: Convert to fraction form
   1,090.38/1,504.52 = 758.69/x
3. Step 3: Cross multiply
   1,090.38x = 1,504.52 × 758.69
4. Step 4: Simplify right side
   1,090.38x = 1,141,452.96
5. Step 5: Solve for x
   x = 1,141,452.96/1,090.38
6. Step 6: Final answer
   x = 1,046.84