Finding the Fourth Proportional to 16,661.39, 24,979.73 and 10,086.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,661.39 : 24,979.73 = 10,086.02 : x
2. Step 2: Convert to fraction form
   16,661.39/24,979.73 = 10,086.02/x
3. Step 3: Cross multiply
   16,661.39x = 24,979.73 × 10,086.02
4. Step 4: Simplify right side
   16,661.39x = 251,945,956.69
5. Step 5: Solve for x
   x = 251,945,956.69/16,661.39
6. Step 6: Final answer
   x = 15,121.55