Finding the Fourth Proportional to 25,256.25, 34,853.31 and 13,926.15

Step by Step Solution

1. Step 1: Write the proportion equation
   25,256.25 : 34,853.31 = 13,926.15 : x
2. Step 2: Convert to fraction form
   25,256.25/34,853.31 = 13,926.15/x
3. Step 3: Cross multiply
   25,256.25x = 34,853.31 × 13,926.15
4. Step 4: Simplify right side
   25,256.25x = 485,372,423.06
5. Step 5: Solve for x
   x = 485,372,423.06/25,256.25
6. Step 6: Final answer
   x = 19,217.91