Finding the Fourth Proportional to 25,256.38, 34,854.05 and 13,926.33

Step by Step Solution

1. Step 1: Write the proportion equation
   25,256.38 : 34,854.05 = 13,926.33 : x
2. Step 2: Convert to fraction form
   25,256.38/34,854.05 = 13,926.33/x
3. Step 3: Cross multiply
   25,256.38x = 34,854.05 × 13,926.33
4. Step 4: Simplify right side
   25,256.38x = 485,389,002.14
5. Step 5: Solve for x
   x = 485,389,002.14/25,256.38
6. Step 6: Final answer
   x = 19,218.47