Finding the Fourth Proportional to 25,238.27, 34,828.35 and 13,908.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,238.27 : 34,828.35 = 13,908.82 : x
2. Step 2: Convert to fraction form
   25,238.27/34,828.35 = 13,908.82/x
3. Step 3: Cross multiply
   25,238.27x = 34,828.35 × 13,908.82
4. Step 4: Simplify right side
   25,238.27x = 484,421,163.98
5. Step 5: Solve for x
   x = 484,421,163.98/25,238.27
6. Step 6: Final answer
   x = 19,193.91