Finding the Fourth Proportional to 7,173.42, 10,740.16 and 5,413.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,173.42 : 10,740.16 = 5,413.11 : x
2. Step 2: Convert to fraction form
   7,173.42/10,740.16 = 5,413.11/x
3. Step 3: Cross multiply
   7,173.42x = 10,740.16 × 5,413.11
4. Step 4: Simplify right side
   7,173.42x = 58,137,667.50
5. Step 5: Solve for x
   x = 58,137,667.50/7,173.42
6. Step 6: Final answer
   x = 8,104.60