Finding the Fourth Proportional to 9,841.63, 13,581.18 and 5,365.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.63 : 13,581.18 = 5,365.47 : x
2. Step 2: Convert to fraction form
   9,841.63/13,581.18 = 5,365.47/x
3. Step 3: Cross multiply
   9,841.63x = 13,581.18 × 5,365.47
4. Step 4: Simplify right side
   9,841.63x = 72,869,413.85
5. Step 5: Solve for x
   x = 72,869,413.85/9,841.63
6. Step 6: Final answer
   x = 7,404.20