Finding the Fourth Proportional to 18,667.35, 25,760.50 and 10,709.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,667.35 : 25,760.50 = 10,709.10 : x
2. Step 2: Convert to fraction form
   18,667.35/25,760.50 = 10,709.10/x
3. Step 3: Cross multiply
   18,667.35x = 25,760.50 × 10,709.10
4. Step 4: Simplify right side
   18,667.35x = 275,871,743.78
5. Step 5: Solve for x
   x = 275,871,743.78/18,667.35
6. Step 6: Final answer
   x = 14,778.30