Finding the Fourth Proportional to 1,090.56, 1,504.56 and 758.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090.56 : 1,504.56 = 758.88 : x
2. Step 2: Convert to fraction form
   1,090.56/1,504.56 = 758.88/x
3. Step 3: Cross multiply
   1,090.56x = 1,504.56 × 758.88
4. Step 4: Simplify right side
   1,090.56x = 1,141,780.49
5. Step 5: Solve for x
   x = 1,141,780.49/1,090.56
6. Step 6: Final answer
   x = 1,046.97