Finding the Fourth Proportional to 25,900.16, 38,854.56 and 8,367.92

Step by Step Solution

1. Step 1: Write the proportion equation
   25,900.16 : 38,854.56 = 8,367.92 : x
2. Step 2: Convert to fraction form
   25,900.16/38,854.56 = 8,367.92/x
3. Step 3: Cross multiply
   25,900.16x = 38,854.56 × 8,367.92
4. Step 4: Simplify right side
   25,900.16x = 325,131,849.72
5. Step 5: Solve for x
   x = 325,131,849.72/25,900.16
6. Step 6: Final answer
   x = 12,553.28