Finding the Fourth Proportional to 3,413.07, 5,111.52 and 2,176.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413.07 : 5,111.52 = 2,176.73 : x
2. Step 2: Convert to fraction form
   3,413.07/5,111.52 = 2,176.73/x
3. Step 3: Cross multiply
   3,413.07x = 5,111.52 × 2,176.73
4. Step 4: Simplify right side
   3,413.07x = 11,126,404.81
5. Step 5: Solve for x
   x = 11,126,404.81/3,413.07
6. Step 6: Final answer
   x = 3,259.94