Finding the Fourth Proportional to 16,659.78, 24,939.86 and 10,065.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,659.78 : 24,939.86 = 10,065.98 : x
2. Step 2: Convert to fraction form
   16,659.78/24,939.86 = 10,065.98/x
3. Step 3: Cross multiply
   16,659.78x = 24,939.86 × 10,065.98
4. Step 4: Simplify right side
   16,659.78x = 251,043,956.93
5. Step 5: Solve for x
   x = 251,043,956.93/16,659.78
6. Step 6: Final answer
   x = 15,068.86