Finding the Fourth Proportional to 18,162.30, 25,061.31 and 10,202.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,162.30 : 25,061.31 = 10,202.94 : x
2. Step 2: Convert to fraction form
   18,162.30/25,061.31 = 10,202.94/x
3. Step 3: Cross multiply
   18,162.30x = 25,061.31 × 10,202.94
4. Step 4: Simplify right side
   18,162.30x = 255,698,916.94
5. Step 5: Solve for x
   x = 255,698,916.94/18,162.30
6. Step 6: Final answer
   x = 14,078.56