Finding the Fourth Proportional to 11,904.63, 17,859.92 and 8,401.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,904.63 : 17,859.92 = 8,401.48 : x
2. Step 2: Convert to fraction form
   11,904.63/17,859.92 = 8,401.48/x
3. Step 3: Cross multiply
   11,904.63x = 17,859.92 × 8,401.48
4. Step 4: Simplify right side
   11,904.63x = 150,049,671.38
5. Step 5: Solve for x
   x = 150,049,671.38/11,904.63
6. Step 6: Final answer
   x = 12,604.31