Finding the Fourth Proportional to 1,018.38, 1,404.98 and 575.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.38 : 1,404.98 = 575.95 : x
2. Step 2: Convert to fraction form
   1,018.38/1,404.98 = 575.95/x
3. Step 3: Cross multiply
   1,018.38x = 1,404.98 × 575.95
4. Step 4: Simplify right side
   1,018.38x = 809,188.33
5. Step 5: Solve for x
   x = 809,188.33/1,018.38
6. Step 6: Final answer
   x = 794.59