Finding the Fourth Proportional to 18,550.50, 25,601.31 and 10,168.62

Step by Step Solution

1. Step 1: Write the proportion equation
   18,550.50 : 25,601.31 = 10,168.62 : x
2. Step 2: Convert to fraction form
   18,550.50/25,601.31 = 10,168.62/x
3. Step 3: Cross multiply
   18,550.50x = 25,601.31 × 10,168.62
4. Step 4: Simplify right side
   18,550.50x = 260,329,992.89
5. Step 5: Solve for x
   x = 260,329,992.89/18,550.50
6. Step 6: Final answer
   x = 14,033.58