Finding the Fourth Proportional to 3,413.30, 5,116.20 and 3,136.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.30 : 5,116.20 = 3,136.52 : x
2. Step 2: Convert to fraction form
   3,413.30/5,116.20 = 3,136.52/x
3. Step 3: Cross multiply
   3,413.30x = 5,116.20 × 3,136.52
4. Step 4: Simplify right side
   3,413.30x = 16,047,063.62
5. Step 5: Solve for x
   x = 16,047,063.62/3,413.30
6. Step 6: Final answer
   x = 4,701.33