Finding the Fourth Proportional to 18,139.86, 25,033.46 and 10,182.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,139.86 : 25,033.46 = 10,182.69 : x
2. Step 2: Convert to fraction form
   18,139.86/25,033.46 = 10,182.69/x
3. Step 3: Cross multiply
   18,139.86x = 25,033.46 × 10,182.69
4. Step 4: Simplify right side
   18,139.86x = 254,907,911.89
5. Step 5: Solve for x
   x = 254,907,911.89/18,139.86
6. Step 6: Final answer
   x = 14,052.36