Finding the Fourth Proportional to 18,648.17, 25,733.67 and 10,150.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,648.17 : 25,733.67 = 10,150.31 : x
2. Step 2: Convert to fraction form
   18,648.17/25,733.67 = 10,150.31/x
3. Step 3: Cross multiply
   18,648.17x = 25,733.67 × 10,150.31
4. Step 4: Simplify right side
   18,648.17x = 261,204,754.21
5. Step 5: Solve for x
   x = 261,204,754.21/18,648.17
6. Step 6: Final answer
   x = 14,006.99