Finding the Fourth Proportional to 25,256.25, 34,854.71 and 14,078.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,256.25 : 34,854.71 = 14,078.25 : x
2. Step 2: Convert to fraction form
   25,256.25/34,854.71 = 14,078.25/x
3. Step 3: Cross multiply
   25,256.25x = 34,854.71 × 14,078.25
4. Step 4: Simplify right side
   25,256.25x = 490,693,250.67
5. Step 5: Solve for x
   x = 490,693,250.67/25,256.25
6. Step 6: Final answer
   x = 19,428.59