Finding the Fourth Proportional to 9,841.89, 13,581.94 and 5,365.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.89 : 13,581.94 = 5,365.71 : x
2. Step 2: Convert to fraction form
   9,841.89/13,581.94 = 5,365.71/x
3. Step 3: Cross multiply
   9,841.89x = 13,581.94 × 5,365.71
4. Step 4: Simplify right side
   9,841.89x = 72,876,751.28
5. Step 5: Solve for x
   x = 72,876,751.28/9,841.89
6. Step 6: Final answer
   x = 7,404.75