Finding the Fourth Proportional to 1,018.08, 1,404.95 and 575.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.08 : 1,404.95 = 575.98 : x
2. Step 2: Convert to fraction form
   1,018.08/1,404.95 = 575.98/x
3. Step 3: Cross multiply
   1,018.08x = 1,404.95 × 575.98
4. Step 4: Simplify right side
   1,018.08x = 809,223.10
5. Step 5: Solve for x
   x = 809,223.10/1,018.08
6. Step 6: Final answer
   x = 794.85