Finding the Fourth Proportional to 14,139.25, 19,513.97 and 8,550.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,139.25 : 19,513.97 = 8,550.29 : x
2. Step 2: Convert to fraction form
   14,139.25/19,513.97 = 8,550.29/x
3. Step 3: Cross multiply
   14,139.25x = 19,513.97 × 8,550.29
4. Step 4: Simplify right side
   14,139.25x = 166,850,059.80
5. Step 5: Solve for x
   x = 166,850,059.80/14,139.25
6. Step 6: Final answer
   x = 11,800.49