Finding the Fourth Proportional to 10,811.84, 16,217.46 and 3,020.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,811.84 : 16,217.46 = 3,020.42 : x
2. Step 2: Convert to fraction form
   10,811.84/16,217.46 = 3,020.42/x
3. Step 3: Cross multiply
   10,811.84x = 16,217.46 × 3,020.42
4. Step 4: Simplify right side
   10,811.84x = 48,983,540.53
5. Step 5: Solve for x
   x = 48,983,540.53/10,811.84
6. Step 6: Final answer
   x = 4,530.55