Finding the Fourth Proportional to 18,614.50, 25,688.01 and 10,231

Step by Step Solution

1. Step 1: Write the proportion equation
   18,614.50 : 25,688.01 = 10,231 : x
2. Step 2: Convert to fraction form
   18,614.50/25,688.01 = 10,231/x
3. Step 3: Cross multiply
   18,614.50x = 25,688.01 × 10,231
4. Step 4: Simplify right side
   18,614.50x = 262,814,030.31
5. Step 5: Solve for x
   x = 262,814,030.31/18,614.50
6. Step 6: Final answer
   x = 14,118.78