Finding the Fourth Proportional to 10,221.88, 15,333.82 and 3,982.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.88 : 15,333.82 = 3,982.42 : x
2. Step 2: Convert to fraction form
   10,221.88/15,333.82 = 3,982.42/x
3. Step 3: Cross multiply
   10,221.88x = 15,333.82 × 3,982.42
4. Step 4: Simplify right side
   10,221.88x = 61,065,711.44
5. Step 5: Solve for x
   x = 61,065,711.44/10,221.88
6. Step 6: Final answer
   x = 5,974.02