Finding the Fourth Proportional to 18,768.72, 25,907.31 and 10,814.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,768.72 : 25,907.31 = 10,814.10 : x
2. Step 2: Convert to fraction form
   18,768.72/25,907.31 = 10,814.10/x
3. Step 3: Cross multiply
   18,768.72x = 25,907.31 × 10,814.10
4. Step 4: Simplify right side
   18,768.72x = 280,164,241.07
5. Step 5: Solve for x
   x = 280,164,241.07/18,768.72
6. Step 6: Final answer
   x = 14,927.19