Finding the Fourth Proportional to 9,841.56, 13,581.44 and 5,365.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.56 : 13,581.44 = 5,365.43 : x
2. Step 2: Convert to fraction form
   9,841.56/13,581.44 = 5,365.43/x
3. Step 3: Cross multiply
   9,841.56x = 13,581.44 × 5,365.43
4. Step 4: Simplify right side
   9,841.56x = 72,870,170.88
5. Step 5: Solve for x
   x = 72,870,170.88/9,841.56
6. Step 6: Final answer
   x = 7,404.33