Finding the Fourth Proportional to 18,106.82, 24,989.72 and 10,149.05

Step by Step Solution

1. Step 1: Write the proportion equation
   18,106.82 : 24,989.72 = 10,149.05 : x
2. Step 2: Convert to fraction form
   18,106.82/24,989.72 = 10,149.05/x
3. Step 3: Cross multiply
   18,106.82x = 24,989.72 × 10,149.05
4. Step 4: Simplify right side
   18,106.82x = 253,621,853.15
5. Step 5: Solve for x
   x = 253,621,853.15/18,106.82
6. Step 6: Final answer
   x = 14,006.98