Finding the Fourth Proportional to 25,086.10, 34,618.62 and 13,908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   25,086.10 : 34,618.62 = 13,908.10 : x
2. Step 2: Convert to fraction form
   25,086.10/34,618.62 = 13,908.10/x
3. Step 3: Cross multiply
   25,086.10x = 34,618.62 × 13,908.10
4. Step 4: Simplify right side
   25,086.10x = 481,479,228.82
5. Step 5: Solve for x
   x = 481,479,228.82/25,086.10
6. Step 6: Final answer
   x = 19,193.07