Finding the Fourth Proportional to 14,479.54, 19,982.58 and 8,105.98

Step by Step Solution

1. Step 1: Write the proportion equation
   14,479.54 : 19,982.58 = 8,105.98 : x
2. Step 2: Convert to fraction form
   14,479.54/19,982.58 = 8,105.98/x
3. Step 3: Cross multiply
   14,479.54x = 19,982.58 × 8,105.98
4. Step 4: Simplify right side
   14,479.54x = 161,978,393.83
5. Step 5: Solve for x
   x = 161,978,393.83/14,479.54
6. Step 6: Final answer
   x = 11,186.71