Finding the Fourth Proportional to 1,018.06, 1,404.87 and 575.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.06 : 1,404.87 = 575.86 : x
2. Step 2: Convert to fraction form
   1,018.06/1,404.87 = 575.86/x
3. Step 3: Cross multiply
   1,018.06x = 1,404.87 × 575.86
4. Step 4: Simplify right side
   1,018.06x = 809,008.44
5. Step 5: Solve for x
   x = 809,008.44/1,018.06
6. Step 6: Final answer
   x = 794.66