Finding the Fourth Proportional to 5,413.12, 7,475.27 and 5,118.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,413.12 : 7,475.27 = 5,118.27 : x
2. Step 2: Convert to fraction form
   5,413.12/7,475.27 = 5,118.27/x
3. Step 3: Cross multiply
   5,413.12x = 7,475.27 × 5,118.27
4. Step 4: Simplify right side
   5,413.12x = 38,260,443.28
5. Step 5: Solve for x
   x = 38,260,443.28/5,413.12
6. Step 6: Final answer
   x = 7,068.09