Finding the Fourth Proportional to 1,017.41, 1,404.05 and 575.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.41 : 1,404.05 = 575.28 : x
2. Step 2: Convert to fraction form
   1,017.41/1,404.05 = 575.28/x
3. Step 3: Cross multiply
   1,017.41x = 1,404.05 × 575.28
4. Step 4: Simplify right side
   1,017.41x = 807,719.01
5. Step 5: Solve for x
   x = 807,719.01/1,017.41
6. Step 6: Final answer
   x = 793.90