Finding the Fourth Proportional to 25,076.25, 37,616.81 and 8,440.47

Step by Step Solution

1. Step 1: Write the proportion equation
   25,076.25 : 37,616.81 = 8,440.47 : x
2. Step 2: Convert to fraction form
   25,076.25/37,616.81 = 8,440.47/x
3. Step 3: Cross multiply
   25,076.25x = 37,616.81 × 8,440.47
4. Step 4: Simplify right side
   25,076.25x = 317,503,514.10
5. Step 5: Solve for x
   x = 317,503,514.10/25,076.25
6. Step 6: Final answer
   x = 12,661.52