Finding the Fourth Proportional to 9,413.37, 13,003.96 and 7,522.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,413.37 : 13,003.96 = 7,522.47 : x
2. Step 2: Convert to fraction form
   9,413.37/13,003.96 = 7,522.47/x
3. Step 3: Cross multiply
   9,413.37x = 13,003.96 × 7,522.47
4. Step 4: Simplify right side
   9,413.37x = 97,821,898.98
5. Step 5: Solve for x
   x = 97,821,898.98/9,413.37
6. Step 6: Final answer
   x = 10,391.80