Finding the Fourth Proportional to 8,413.37, 12,606.10 and 5,116.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413.37 : 12,606.10 = 5,116.49 : x
2. Step 2: Convert to fraction form
   8,413.37/12,606.10 = 5,116.49/x
3. Step 3: Cross multiply
   8,413.37x = 12,606.10 × 5,116.49
4. Step 4: Simplify right side
   8,413.37x = 64,498,984.59
5. Step 5: Solve for x
   x = 64,498,984.59/8,413.37
6. Step 6: Final answer
   x = 7,666.25