Finding the Fourth Proportional to 18,606.42, 25,674.71 and 10,648.17

Step by Step Solution

1. Step 1: Write the proportion equation
   18,606.42 : 25,674.71 = 10,648.17 : x
2. Step 2: Convert to fraction form
   18,606.42/25,674.71 = 10,648.17/x
3. Step 3: Cross multiply
   18,606.42x = 25,674.71 × 10,648.17
4. Step 4: Simplify right side
   18,606.42x = 273,388,623.54
5. Step 5: Solve for x
   x = 273,388,623.54/18,606.42
6. Step 6: Final answer
   x = 14,693.24