Finding the Fourth Proportional to 16,679.87, 24,851.89 and 16,439.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,679.87 : 24,851.89 = 16,439.30 : x
2. Step 2: Convert to fraction form
   16,679.87/24,851.89 = 16,439.30/x
3. Step 3: Cross multiply
   16,679.87x = 24,851.89 × 16,439.30
4. Step 4: Simplify right side
   16,679.87x = 408,547,705.86
5. Step 5: Solve for x
   x = 408,547,705.86/16,679.87
6. Step 6: Final answer
   x = 24,493.46