Finding the Fourth Proportional to 2,413.56, 3,331.40 and 1,418.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.56 : 3,331.40 = 1,418.88 : x
2. Step 2: Convert to fraction form
   2,413.56/3,331.40 = 1,418.88/x
3. Step 3: Cross multiply
   2,413.56x = 3,331.40 × 1,418.88
4. Step 4: Simplify right side
   2,413.56x = 4,726,856.83
5. Step 5: Solve for x
   x = 4,726,856.83/2,413.56
6. Step 6: Final answer
   x = 1,958.46