Finding the Fourth Proportional to 16,499.76, 24,748.20 and 4,815.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.76 : 24,748.20 = 4,815.60 : x
2. Step 2: Convert to fraction form
   16,499.76/24,748.20 = 4,815.60/x
3. Step 3: Cross multiply
   16,499.76x = 24,748.20 × 4,815.60
4. Step 4: Simplify right side
   16,499.76x = 119,177,431.92
5. Step 5: Solve for x
   x = 119,177,431.92/16,499.76
6. Step 6: Final answer
   x = 7,222.98