Finding the Fourth Proportional to 1,017.53, 1,404.03 and 575.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.53 : 1,404.03 = 575.33 : x
2. Step 2: Convert to fraction form
   1,017.53/1,404.03 = 575.33/x
3. Step 3: Cross multiply
   1,017.53x = 1,404.03 × 575.33
4. Step 4: Simplify right side
   1,017.53x = 807,780.58
5. Step 5: Solve for x
   x = 807,780.58/1,017.53
6. Step 6: Final answer
   x = 793.86