Finding the Fourth Proportional to 18,714.50, 25,826.06 and 10,331

Step by Step Solution

1. Step 1: Write the proportion equation
   18,714.50 : 25,826.06 = 10,331 : x
2. Step 2: Convert to fraction form
   18,714.50/25,826.06 = 10,331/x
3. Step 3: Cross multiply
   18,714.50x = 25,826.06 × 10,331
4. Step 4: Simplify right side
   18,714.50x = 266,809,025.86
5. Step 5: Solve for x
   x = 266,809,025.86/18,714.50
6. Step 6: Final answer
   x = 14,256.81