Finding the Fourth Proportional to 25,067.52, 34,594.56 and 13,889.28

Step by Step Solution

1. Step 1: Write the proportion equation
   25,067.52 : 34,594.56 = 13,889.28 : x
2. Step 2: Convert to fraction form
   25,067.52/34,594.56 = 13,889.28/x
3. Step 3: Cross multiply
   25,067.52x = 34,594.56 × 13,889.28
4. Step 4: Simplify right side
   25,067.52x = 480,493,530.32
5. Step 5: Solve for x
   x = 480,493,530.32/25,067.52
6. Step 6: Final answer
   x = 19,167.97