Finding the Fourth Proportional to 25,057.92, 37,587.69 and 8,418.09

Step by Step Solution

1. Step 1: Write the proportion equation
   25,057.92 : 37,587.69 = 8,418.09 : x
2. Step 2: Convert to fraction form
   25,057.92/37,587.69 = 8,418.09/x
3. Step 3: Cross multiply
   25,057.92x = 37,587.69 × 8,418.09
4. Step 4: Simplify right side
   25,057.92x = 316,416,557.31
5. Step 5: Solve for x
   x = 316,416,557.31/25,057.92
6. Step 6: Final answer
   x = 12,627.41