Finding the Fourth Proportional to 9,841.91, 13,581.82 and 5,365.66

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.91 : 13,581.82 = 5,365.66 : x
2. Step 2: Convert to fraction form
   9,841.91/13,581.82 = 5,365.66/x
3. Step 3: Cross multiply
   9,841.91x = 13,581.82 × 5,365.66
4. Step 4: Simplify right side
   9,841.91x = 72,875,418.72
5. Step 5: Solve for x
   x = 72,875,418.72/9,841.91
6. Step 6: Final answer
   x = 7,404.60