Finding the Fourth Proportional to 25,855.98, 38,798.55 and 10,274.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,855.98 : 38,798.55 = 10,274.82 : x
2. Step 2: Convert to fraction form
   25,855.98/38,798.55 = 10,274.82/x
3. Step 3: Cross multiply
   25,855.98x = 38,798.55 × 10,274.82
4. Step 4: Simplify right side
   25,855.98x = 398,648,117.51
5. Step 5: Solve for x
   x = 398,648,117.51/25,855.98
6. Step 6: Final answer
   x = 15,418.02