Finding the Fourth Proportional to 16,579.76, 24,855.46 and 7,212.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,579.76 : 24,855.46 = 7,212.58 : x
2. Step 2: Convert to fraction form
   16,579.76/24,855.46 = 7,212.58/x
3. Step 3: Cross multiply
   16,579.76x = 24,855.46 × 7,212.58
4. Step 4: Simplify right side
   16,579.76x = 179,271,913.52
5. Step 5: Solve for x
   x = 179,271,913.52/16,579.76
6. Step 6: Final answer
   x = 10,812.70