Finding the Fourth Proportional to 18,189.50, 25,100.94 and 10,231.52

Step by Step Solution

1. Step 1: Write the proportion equation
   18,189.50 : 25,100.94 = 10,231.52 : x
2. Step 2: Convert to fraction form
   18,189.50/25,100.94 = 10,231.52/x
3. Step 3: Cross multiply
   18,189.50x = 25,100.94 × 10,231.52
4. Step 4: Simplify right side
   18,189.50x = 256,820,769.63
5. Step 5: Solve for x
   x = 256,820,769.63/18,189.50
6. Step 6: Final answer
   x = 14,119.18