Finding the Fourth Proportional to 18,627.15, 25,705.72 and 10,669.37

Step by Step Solution

1. Step 1: Write the proportion equation
   18,627.15 : 25,705.72 = 10,669.37 : x
2. Step 2: Convert to fraction form
   18,627.15/25,705.72 = 10,669.37/x
3. Step 3: Cross multiply
   18,627.15x = 25,705.72 × 10,669.37
4. Step 4: Simplify right side
   18,627.15x = 274,263,773.53
5. Step 5: Solve for x
   x = 274,263,773.53/18,627.15
6. Step 6: Final answer
   x = 14,723.87