Finding the Fourth Proportional to 3,413.06, 5,118.05 and 1,072.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.06 : 5,118.05 = 1,072.52 : x
2. Step 2: Convert to fraction form
   3,413.06/5,118.05 = 1,072.52/x
3. Step 3: Cross multiply
   3,413.06x = 5,118.05 × 1,072.52
4. Step 4: Simplify right side
   3,413.06x = 5,489,180.03
5. Step 5: Solve for x
   x = 5,489,180.03/3,413.06
6. Step 6: Final answer
   x = 1,608.29