Finding the Fourth Proportional to 1,017.58, 1,404.33 and 575.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.58 : 1,404.33 = 575.48 : x
2. Step 2: Convert to fraction form
   1,017.58/1,404.33 = 575.48/x
3. Step 3: Cross multiply
   1,017.58x = 1,404.33 × 575.48
4. Step 4: Simplify right side
   1,017.58x = 808,163.83
5. Step 5: Solve for x
   x = 808,163.83/1,017.58
6. Step 6: Final answer
   x = 794.20