Finding the Fourth Proportional to 9,841.66, 13,581.24 and 5,365.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.66 : 13,581.24 = 5,365.42 : x
2. Step 2: Convert to fraction form
   9,841.66/13,581.24 = 5,365.42/x
3. Step 3: Cross multiply
   9,841.66x = 13,581.24 × 5,365.42
4. Step 4: Simplify right side
   9,841.66x = 72,869,056.72
5. Step 5: Solve for x
   x = 72,869,056.72/9,841.66
6. Step 6: Final answer
   x = 7,404.14