Finding the Fourth Proportional to 941.69, 1,413.38 and 503.31

Step by Step Solution

1. Step 1: Write the proportion equation
   941.69 : 1,413.38 = 503.31 : x
2. Step 2: Convert to fraction form
   941.69/1,413.38 = 503.31/x
3. Step 3: Cross multiply
   941.69x = 1,413.38 × 503.31
4. Step 4: Simplify right side
   941.69x = 711,369.55
5. Step 5: Solve for x
   x = 711,369.55/941.69
6. Step 6: Final answer
   x = 755.42