Finding the Fourth Proportional to 18,583.82, 25,645.69 and 10,085.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,583.82 : 25,645.69 = 10,085.94 : x
2. Step 2: Convert to fraction form
   18,583.82/25,645.69 = 10,085.94/x
3. Step 3: Cross multiply
   18,583.82x = 25,645.69 × 10,085.94
4. Step 4: Simplify right side
   18,583.82x = 258,660,929.50
5. Step 5: Solve for x
   x = 258,660,929.50/18,583.82
6. Step 6: Final answer
   x = 13,918.61