Finding the Fourth Proportional to 1,017.54, 1,404.06 and 575.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.54 : 1,404.06 = 575.36 : x
2. Step 2: Convert to fraction form
   1,017.54/1,404.06 = 575.36/x
3. Step 3: Cross multiply
   1,017.54x = 1,404.06 × 575.36
4. Step 4: Simplify right side
   1,017.54x = 807,839.96
5. Step 5: Solve for x
   x = 807,839.96/1,017.54
6. Step 6: Final answer
   x = 793.91