Finding the Fourth Proportional to 20,934.41, 31,413.86 and 7,796.09

Step by Step Solution

1. Step 1: Write the proportion equation
   20,934.41 : 31,413.86 = 7,796.09 : x
2. Step 2: Convert to fraction form
   20,934.41/31,413.86 = 7,796.09/x
3. Step 3: Cross multiply
   20,934.41x = 31,413.86 × 7,796.09
4. Step 4: Simplify right side
   20,934.41x = 244,905,240.83
5. Step 5: Solve for x
   x = 244,905,240.83/20,934.41
6. Step 6: Final answer
   x = 11,698.69