Finding the Fourth Proportional to 3,413.29, 5,119.71 and 914.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.29 : 5,119.71 = 914.44 : x
2. Step 2: Convert to fraction form
   3,413.29/5,119.71 = 914.44/x
3. Step 3: Cross multiply
   3,413.29x = 5,119.71 × 914.44
4. Step 4: Simplify right side
   3,413.29x = 4,681,667.61
5. Step 5: Solve for x
   x = 4,681,667.61/3,413.29
6. Step 6: Final answer
   x = 1,371.60