Finding the Fourth Proportional to 8,945.59, 13,413.07 and 3,399.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,945.59 : 13,413.07 = 3,399.34 : x
2. Step 2: Convert to fraction form
   8,945.59/13,413.07 = 3,399.34/x
3. Step 3: Cross multiply
   8,945.59x = 13,413.07 × 3,399.34
4. Step 4: Simplify right side
   8,945.59x = 45,595,609.40
5. Step 5: Solve for x
   x = 45,595,609.40/8,945.59
6. Step 6: Final answer
   x = 5,096.99