Finding the Fourth Proportional to 18,456.36, 25,467.46 and 10,498.71

Step by Step Solution

1. Step 1: Write the proportion equation
   18,456.36 : 25,467.46 = 10,498.71 : x
2. Step 2: Convert to fraction form
   18,456.36/25,467.46 = 10,498.71/x
3. Step 3: Cross multiply
   18,456.36x = 25,467.46 × 10,498.71
4. Step 4: Simplify right side
   18,456.36x = 267,375,605.29
5. Step 5: Solve for x
   x = 267,375,605.29/18,456.36
6. Step 6: Final answer
   x = 14,486.91