Finding the Fourth Proportional to 2,413.79, 3,330.78 and 1,351.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.79 : 3,330.78 = 1,351.48 : x
2. Step 2: Convert to fraction form
   2,413.79/3,330.78 = 1,351.48/x
3. Step 3: Cross multiply
   2,413.79x = 3,330.78 × 1,351.48
4. Step 4: Simplify right side
   2,413.79x = 4,501,482.55
5. Step 5: Solve for x
   x = 4,501,482.55/2,413.79
6. Step 6: Final answer
   x = 1,864.90