Finding the Fourth Proportional to 25,304.69, 34,920.74 and 13,974.17

Step by Step Solution

1. Step 1: Write the proportion equation
   25,304.69 : 34,920.74 = 13,974.17 : x
2. Step 2: Convert to fraction form
   25,304.69/34,920.74 = 13,974.17/x
3. Step 3: Cross multiply
   25,304.69x = 34,920.74 × 13,974.17
4. Step 4: Simplify right side
   25,304.69x = 487,988,357.29
5. Step 5: Solve for x
   x = 487,988,357.29/25,304.69
6. Step 6: Final answer
   x = 19,284.50