Finding the Fourth Proportional to 1,131.41, 1,560.79 and 758.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.41 : 1,560.79 = 758.47 : x
2. Step 2: Convert to fraction form
   1,131.41/1,560.79 = 758.47/x
3. Step 3: Cross multiply
   1,131.41x = 1,560.79 × 758.47
4. Step 4: Simplify right side
   1,131.41x = 1,183,812.39
5. Step 5: Solve for x
   x = 1,183,812.39/1,131.41
6. Step 6: Final answer
   x = 1,046.32