Finding the Fourth Proportional to 25,105.52, 37,635.24 and 8,678

Step by Step Solution

1. Step 1: Write the proportion equation
   25,105.52 : 37,635.24 = 8,678 : x
2. Step 2: Convert to fraction form
   25,105.52/37,635.24 = 8,678/x
3. Step 3: Cross multiply
   25,105.52x = 37,635.24 × 8,678
4. Step 4: Simplify right side
   25,105.52x = 326,598,612.72
5. Step 5: Solve for x
   x = 326,598,612.72/25,105.52
6. Step 6: Final answer
   x = 13,009.04