Finding the Fourth Proportional to 14,369.34, 19,826.71 and 8,399.85

Step by Step Solution

1. Step 1: Write the proportion equation
   14,369.34 : 19,826.71 = 8,399.85 : x
2. Step 2: Convert to fraction form
   14,369.34/19,826.71 = 8,399.85/x
3. Step 3: Cross multiply
   14,369.34x = 19,826.71 × 8,399.85
4. Step 4: Simplify right side
   14,369.34x = 166,541,453.42
5. Step 5: Solve for x
   x = 166,541,453.42/14,369.34
6. Step 6: Final answer
   x = 11,590.06