Finding the Fourth Proportional to 3,894.79, 5,818.06 and 3,504.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,894.79 : 5,818.06 = 3,504.16 : x
2. Step 2: Convert to fraction form
   3,894.79/5,818.06 = 3,504.16/x
3. Step 3: Cross multiply
   3,894.79x = 5,818.06 × 3,504.16
4. Step 4: Simplify right side
   3,894.79x = 20,387,413.13
5. Step 5: Solve for x
   x = 20,387,413.13/3,894.79
6. Step 6: Final answer
   x = 5,234.53