Finding the Fourth Proportional to 16,622.72, 24,931.52 and 5,529.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,622.72 : 24,931.52 = 5,529.60 : x
2. Step 2: Convert to fraction form
   16,622.72/24,931.52 = 5,529.60/x
3. Step 3: Cross multiply
   16,622.72x = 24,931.52 × 5,529.60
4. Step 4: Simplify right side
   16,622.72x = 137,861,332.99
5. Step 5: Solve for x
   x = 137,861,332.99/16,622.72
6. Step 6: Final answer
   x = 8,293.55