Finding the Fourth Proportional to 2,592.72, 3,578.04 and 1,413.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.72 : 3,578.04 = 1,413.90 : x
2. Step 2: Convert to fraction form
   2,592.72/3,578.04 = 1,413.90/x
3. Step 3: Cross multiply
   2,592.72x = 3,578.04 × 1,413.90
4. Step 4: Simplify right side
   2,592.72x = 5,058,990.76
5. Step 5: Solve for x
   x = 5,058,990.76/2,592.72
6. Step 6: Final answer
   x = 1,951.23