Finding the Fourth Proportional to 16,404.28, 24,601.17 and 5,308.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404.28 : 24,601.17 = 5,308.60 : x
2. Step 2: Convert to fraction form
   16,404.28/24,601.17 = 5,308.60/x
3. Step 3: Cross multiply
   16,404.28x = 24,601.17 × 5,308.60
4. Step 4: Simplify right side
   16,404.28x = 130,597,771.06
5. Step 5: Solve for x
   x = 130,597,771.06/16,404.28
6. Step 6: Final answer
   x = 7,961.20