Finding the Fourth Proportional to 2,387.75, 3,581.60 and 1,413.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.75 : 3,581.60 = 1,413.32 : x
2. Step 2: Convert to fraction form
   2,387.75/3,581.60 = 1,413.32/x
3. Step 3: Cross multiply
   2,387.75x = 3,581.60 × 1,413.32
4. Step 4: Simplify right side
   2,387.75x = 5,061,921.94
5. Step 5: Solve for x
   x = 5,061,921.94/2,387.75
6. Step 6: Final answer
   x = 2,119.96