Finding the Fourth Proportional to 18,825, 25,979.31 and 10,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,825 : 25,979.31 = 10,441.50 : x
2. Step 2: Convert to fraction form
   18,825/25,979.31 = 10,441.50/x
3. Step 3: Cross multiply
   18,825x = 25,979.31 × 10,441.50
4. Step 4: Simplify right side
   18,825x = 271,262,965.37
5. Step 5: Solve for x
   x = 271,262,965.37/18,825
6. Step 6: Final answer
   x = 14,409.72