Finding the Fourth Proportional to 3,361.37, 5,042.72 and 1,413.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,361.37 : 5,042.72 = 1,413.56 : x
2. Step 2: Convert to fraction form
   3,361.37/5,042.72 = 1,413.56/x
3. Step 3: Cross multiply
   3,361.37x = 5,042.72 × 1,413.56
4. Step 4: Simplify right side
   3,361.37x = 7,128,203.42
5. Step 5: Solve for x
   x = 7,128,203.42/3,361.37
6. Step 6: Final answer
   x = 2,120.63