Finding the Fourth Proportional to 2,276.37, 3,413.81 and 889.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.37 : 3,413.81 = 889.35 : x
2. Step 2: Convert to fraction form
   2,276.37/3,413.81 = 889.35/x
3. Step 3: Cross multiply
   2,276.37x = 3,413.81 × 889.35
4. Step 4: Simplify right side
   2,276.37x = 3,036,067.48
5. Step 5: Solve for x
   x = 3,036,067.48/2,276.37
6. Step 6: Final answer
   x = 1,333.73