Finding the Fourth Proportional to 18,784.72, 25,922.34 and 10,609

Step by Step Solution

1. Step 1: Write the proportion equation
   18,784.72 : 25,922.34 = 10,609 : x
2. Step 2: Convert to fraction form
   18,784.72/25,922.34 = 10,609/x
3. Step 3: Cross multiply
   18,784.72x = 25,922.34 × 10,609
4. Step 4: Simplify right side
   18,784.72x = 275,010,105.06
5. Step 5: Solve for x
   x = 275,010,105.06/18,784.72
6. Step 6: Final answer
   x = 14,640.10