Finding the Fourth Proportional to 1,040.82, 1,436.42 and 575.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.82 : 1,436.42 = 575.16 : x
2. Step 2: Convert to fraction form
   1,040.82/1,436.42 = 575.16/x
3. Step 3: Cross multiply
   1,040.82x = 1,436.42 × 575.16
4. Step 4: Simplify right side
   1,040.82x = 826,161.27
5. Step 5: Solve for x
   x = 826,161.27/1,040.82
6. Step 6: Final answer
   x = 793.76