Finding the Fourth Proportional to 8,951.15, 12,352.56 and 5,413.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,951.15 : 12,352.56 = 5,413.34 : x
2. Step 2: Convert to fraction form
   8,951.15/12,352.56 = 5,413.34/x
3. Step 3: Cross multiply
   8,951.15x = 12,352.56 × 5,413.34
4. Step 4: Simplify right side
   8,951.15x = 66,868,607.15
5. Step 5: Solve for x
   x = 66,868,607.15/8,951.15
6. Step 6: Final answer
   x = 7,470.39