Finding the Fourth Proportional to 18,039.59, 24,894.56 and 10,081.81

Step by Step Solution

1. Step 1: Write the proportion equation
   18,039.59 : 24,894.56 = 10,081.81 : x
2. Step 2: Convert to fraction form
   18,039.59/24,894.56 = 10,081.81/x
3. Step 3: Cross multiply
   18,039.59x = 24,894.56 × 10,081.81
4. Step 4: Simplify right side
   18,039.59x = 250,982,223.95
5. Step 5: Solve for x
   x = 250,982,223.95/18,039.59
6. Step 6: Final answer
   x = 13,912.86