Finding the Fourth Proportional to 3,630.41, 5,413.74 and 3,599.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630.41 : 5,413.74 = 3,599.13 : x
2. Step 2: Convert to fraction form
   3,630.41/5,413.74 = 3,599.13/x
3. Step 3: Cross multiply
   3,630.41x = 5,413.74 × 3,599.13
4. Step 4: Simplify right side
   3,630.41x = 19,484,754.05
5. Step 5: Solve for x
   x = 19,484,754.05/3,630.41
6. Step 6: Final answer
   x = 5,367.09