Finding the Fourth Proportional to 14,379.31, 19,843.28 and 8,005.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,379.31 : 19,843.28 = 8,005.91 : x
2. Step 2: Convert to fraction form
   14,379.31/19,843.28 = 8,005.91/x
3. Step 3: Cross multiply
   14,379.31x = 19,843.28 × 8,005.91
4. Step 4: Simplify right side
   14,379.31x = 158,863,513.78
5. Step 5: Solve for x
   x = 158,863,513.78/14,379.31
6. Step 6: Final answer
   x = 11,048.06