Finding the Fourth Proportional to 16,607.88, 24,911.76 and 5,515.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,607.88 : 24,911.76 = 5,515.42 : x
2. Step 2: Convert to fraction form
   16,607.88/24,911.76 = 5,515.42/x
3. Step 3: Cross multiply
   16,607.88x = 24,911.76 × 5,515.42
4. Step 4: Simplify right side
   16,607.88x = 137,398,819.34
5. Step 5: Solve for x
   x = 137,398,819.34/16,607.88
6. Step 6: Final answer
   x = 8,273.11