Finding the Fourth Proportional to 536,413.78, 804,816.89 and 504,724.15

Step by Step Solution

1. Step 1: Write the proportion equation
   536,413.78 : 804,816.89 = 504,724.15 : x
2. Step 2: Convert to fraction form
   536,413.78/804,816.89 = 504,724.15/x
3. Step 3: Cross multiply
   536,413.78x = 804,816.89 × 504,724.15
4. Step 4: Simplify right side
   536,413.78x = 406,210,520,710.89
5. Step 5: Solve for x
   x = 406,210,520,710.89/536,413.78
6. Step 6: Final answer
   x = 757,270.85