Finding the Fourth Proportional to 12,917.54, 19,371.98 and 4,150.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,917.54 : 19,371.98 = 4,150.38 : x
2. Step 2: Convert to fraction form
   12,917.54/19,371.98 = 4,150.38/x
3. Step 3: Cross multiply
   12,917.54x = 19,371.98 × 4,150.38
4. Step 4: Simplify right side
   12,917.54x = 80,401,078.35
5. Step 5: Solve for x
   x = 80,401,078.35/12,917.54
6. Step 6: Final answer
   x = 6,224.18