Finding the Fourth Proportional to 1,198.72, 1,795.92 and 504.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198.72 : 1,795.92 = 504.15 : x
2. Step 2: Convert to fraction form
   1,198.72/1,795.92 = 504.15/x
3. Step 3: Cross multiply
   1,198.72x = 1,795.92 × 504.15
4. Step 4: Simplify right side
   1,198.72x = 905,413.07
5. Step 5: Solve for x
   x = 905,413.07/1,198.72
6. Step 6: Final answer
   x = 755.32