Finding the Fourth Proportional to 25,078.86, 34,609.95 and 13,900.86

Step by Step Solution

1. Step 1: Write the proportion equation
   25,078.86 : 34,609.95 = 13,900.86 : x
2. Step 2: Convert to fraction form
   25,078.86/34,609.95 = 13,900.86/x
3. Step 3: Cross multiply
   25,078.86x = 34,609.95 × 13,900.86
4. Step 4: Simplify right side
   25,078.86x = 481,108,069.56
5. Step 5: Solve for x
   x = 481,108,069.56/25,078.86
6. Step 6: Final answer
   x = 19,183.81