Finding the Fourth Proportional to 25,238.56, 34,831.18 and 13,910.09

Step by Step Solution

1. Step 1: Write the proportion equation
   25,238.56 : 34,831.18 = 13,910.09 : x
2. Step 2: Convert to fraction form
   25,238.56/34,831.18 = 13,910.09/x
3. Step 3: Cross multiply
   25,238.56x = 34,831.18 × 13,910.09
4. Step 4: Simplify right side
   25,238.56x = 484,504,848.61
5. Step 5: Solve for x
   x = 484,504,848.61/25,238.56
6. Step 6: Final answer
   x = 19,197.01