Finding the Fourth Proportional to 14,401.94, 19,867.82 and 8,429.94

Step by Step Solution

1. Step 1: Write the proportion equation
   14,401.94 : 19,867.82 = 8,429.94 : x
2. Step 2: Convert to fraction form
   14,401.94/19,867.82 = 8,429.94/x
3. Step 3: Cross multiply
   14,401.94x = 19,867.82 × 8,429.94
4. Step 4: Simplify right side
   14,401.94x = 167,484,488.38
5. Step 5: Solve for x
   x = 167,484,488.38/14,401.94
6. Step 6: Final answer
   x = 11,629.30