Finding the Fourth Proportional to 25,304.94, 34,921.09 and 13,974.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,304.94 : 34,921.09 = 13,974.42 : x
2. Step 2: Convert to fraction form
   25,304.94/34,921.09 = 13,974.42/x
3. Step 3: Cross multiply
   25,304.94x = 34,921.09 × 13,974.42
4. Step 4: Simplify right side
   25,304.94x = 488,001,978.52
5. Step 5: Solve for x
   x = 488,001,978.52/25,304.94
6. Step 6: Final answer
   x = 19,284.85