Finding the Fourth Proportional to 3,771.50, 5,663.04 and 3,605.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,771.50 : 5,663.04 = 3,605.12 : x
2. Step 2: Convert to fraction form
   3,771.50/5,663.04 = 3,605.12/x
3. Step 3: Cross multiply
   3,771.50x = 5,663.04 × 3,605.12
4. Step 4: Simplify right side
   3,771.50x = 20,415,938.76
5. Step 5: Solve for x
   x = 20,415,938.76/3,771.50
6. Step 6: Final answer
   x = 5,413.21