Finding the Fourth Proportional to 14,105.48, 21,124.58 and 8,169.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.48 : 21,124.58 = 8,169.82 : x
2. Step 2: Convert to fraction form
   14,105.48/21,124.58 = 8,169.82/x
3. Step 3: Cross multiply
   14,105.48x = 21,124.58 × 8,169.82
4. Step 4: Simplify right side
   14,105.48x = 172,584,041.34
5. Step 5: Solve for x
   x = 172,584,041.34/14,105.48
6. Step 6: Final answer
   x = 12,235.25