Finding the Fourth Proportional to 7,413.58, 10,234.46 and 5,731.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,413.58 : 10,234.46 = 5,731.18 : x
2. Step 2: Convert to fraction form
   7,413.58/10,234.46 = 5,731.18/x
3. Step 3: Cross multiply
   7,413.58x = 10,234.46 × 5,731.18
4. Step 4: Simplify right side
   7,413.58x = 58,655,532.46
5. Step 5: Solve for x
   x = 58,655,532.46/7,413.58
6. Step 6: Final answer
   x = 7,911.90