Finding the Fourth Proportional to 1,017.37, 1,404.03 and 575.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.37 : 1,404.03 = 575.31 : x
2. Step 2: Convert to fraction form
   1,017.37/1,404.03 = 575.31/x
3. Step 3: Cross multiply
   1,017.37x = 1,404.03 × 575.31
4. Step 4: Simplify right side
   1,017.37x = 807,742.60
5. Step 5: Solve for x
   x = 807,742.60/1,017.37
6. Step 6: Final answer
   x = 793.96