Finding the Fourth Proportional to 18,535.41, 25,580.69 and 10,578.83

Step by Step Solution

1. Step 1: Write the proportion equation
   18,535.41 : 25,580.69 = 10,578.83 : x
2. Step 2: Convert to fraction form
   18,535.41/25,580.69 = 10,578.83/x
3. Step 3: Cross multiply
   18,535.41x = 25,580.69 × 10,578.83
4. Step 4: Simplify right side
   18,535.41x = 270,613,590.00
5. Step 5: Solve for x
   x = 270,613,590.00/18,535.41
6. Step 6: Final answer
   x = 14,599.82