Finding the Fourth Proportional to 25,086.15, 34,620.44 and 13,908.15

Step by Step Solution

1. Step 1: Write the proportion equation
   25,086.15 : 34,620.44 = 13,908.15 : x
2. Step 2: Convert to fraction form
   25,086.15/34,620.44 = 13,908.15/x
3. Step 3: Cross multiply
   25,086.15x = 34,620.44 × 13,908.15
4. Step 4: Simplify right side
   25,086.15x = 481,506,272.59
5. Step 5: Solve for x
   x = 481,506,272.59/25,086.15
6. Step 6: Final answer
   x = 19,194.11