Finding the Fourth Proportional to 18,581.67, 25,642.63 and 10,083.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,581.67 : 25,642.63 = 10,083.82 : x
2. Step 2: Convert to fraction form
   18,581.67/25,642.63 = 10,083.82/x
3. Step 3: Cross multiply
   18,581.67x = 25,642.63 × 10,083.82
4. Step 4: Simplify right side
   18,581.67x = 258,575,665.25
5. Step 5: Solve for x
   x = 258,575,665.25/18,581.67
6. Step 6: Final answer
   x = 13,915.63