Finding the Fourth Proportional to 16,515.94, 24,774.15 and 5,423.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,515.94 : 24,774.15 = 5,423.47 : x
2. Step 2: Convert to fraction form
   16,515.94/24,774.15 = 5,423.47/x
3. Step 3: Cross multiply
   16,515.94x = 24,774.15 × 5,423.47
4. Step 4: Simplify right side
   16,515.94x = 134,361,859.30
5. Step 5: Solve for x
   x = 134,361,859.30/16,515.94
6. Step 6: Final answer
   x = 8,135.28