Finding the Fourth Proportional to 25,078.50, 34,609.41 and 13,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,078.50 : 34,609.41 = 13,900.50 : x
2. Step 2: Convert to fraction form
   25,078.50/34,609.41 = 13,900.50/x
3. Step 3: Cross multiply
   25,078.50x = 34,609.41 × 13,900.50
4. Step 4: Simplify right side
   25,078.50x = 481,088,103.71
5. Step 5: Solve for x
   x = 481,088,103.71/25,078.50
6. Step 6: Final answer
   x = 19,183.29