Finding the Fourth Proportional to 18,142.28, 25,036.24 and 10,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,142.28 : 25,036.24 = 10,184.50 : x
2. Step 2: Convert to fraction form
   18,142.28/25,036.24 = 10,184.50/x
3. Step 3: Cross multiply
   18,142.28x = 25,036.24 × 10,184.50
4. Step 4: Simplify right side
   18,142.28x = 254,981,410.18
5. Step 5: Solve for x
   x = 254,981,410.18/18,142.28
6. Step 6: Final answer
   x = 14,054.54