Finding the Fourth Proportional to 18,131.81, 25,022.33 and 10,174.62

Step by Step Solution

1. Step 1: Write the proportion equation
   18,131.81 : 25,022.33 = 10,174.62 : x
2. Step 2: Convert to fraction form
   18,131.81/25,022.33 = 10,174.62/x
3. Step 3: Cross multiply
   18,131.81x = 25,022.33 × 10,174.62
4. Step 4: Simplify right side
   18,131.81x = 254,592,648.39
5. Step 5: Solve for x
   x = 254,592,648.39/18,131.81
6. Step 6: Final answer
   x = 14,041.22