Finding the Fourth Proportional to 25,112.15, 34,653.56 and 13,781.37

Step by Step Solution

1. Step 1: Write the proportion equation
   25,112.15 : 34,653.56 = 13,781.37 : x
2. Step 2: Convert to fraction form
   25,112.15/34,653.56 = 13,781.37/x
3. Step 3: Cross multiply
   25,112.15x = 34,653.56 × 13,781.37
4. Step 4: Simplify right side
   25,112.15x = 477,573,463.27
5. Step 5: Solve for x
   x = 477,573,463.27/25,112.15
6. Step 6: Final answer
   x = 19,017.63