Finding the Fourth Proportional to 3,413.86, 5,122.62 and 1,955.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.86 : 5,122.62 = 1,955.86 : x
2. Step 2: Convert to fraction form
   3,413.86/5,122.62 = 1,955.86/x
3. Step 3: Cross multiply
   3,413.86x = 5,122.62 × 1,955.86
4. Step 4: Simplify right side
   3,413.86x = 10,019,127.55
5. Step 5: Solve for x
   x = 10,019,127.55/3,413.86
6. Step 6: Final answer
   x = 2,934.84