Finding the Fourth Proportional to 25,112.88, 34,654.62 and 13,782.12

Step by Step Solution

1. Step 1: Write the proportion equation
   25,112.88 : 34,654.62 = 13,782.12 : x
2. Step 2: Convert to fraction form
   25,112.88/34,654.62 = 13,782.12/x
3. Step 3: Cross multiply
   25,112.88x = 34,654.62 × 13,782.12
4. Step 4: Simplify right side
   25,112.88x = 477,614,131.39
5. Step 5: Solve for x
   x = 477,614,131.39/25,112.88
6. Step 6: Final answer
   x = 19,018.69