Finding the Fourth Proportional to 16,211.76, 24,320.88 and 5,119.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,211.76 : 24,320.88 = 5,119.49 : x
2. Step 2: Convert to fraction form
   16,211.76/24,320.88 = 5,119.49/x
3. Step 3: Cross multiply
   16,211.76x = 24,320.88 × 5,119.49
4. Step 4: Simplify right side
   16,211.76x = 124,510,380.35
5. Step 5: Solve for x
   x = 124,510,380.35/16,211.76
6. Step 6: Final answer
   x = 7,680.25