Finding the Fourth Proportional to 14,379, 19,843.83 and 8,091.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,379 : 19,843.83 = 8,091.78 : x
2. Step 2: Convert to fraction form
   14,379/19,843.83 = 8,091.78/x
3. Step 3: Cross multiply
   14,379x = 19,843.83 × 8,091.78
4. Step 4: Simplify right side
   14,379x = 160,571,906.72
5. Step 5: Solve for x
   x = 160,571,906.72/14,379
6. Step 6: Final answer
   x = 11,167.11