Finding the Fourth Proportional to 16,042.73, 24,069.56 and 8,647.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,042.73 : 24,069.56 = 8,647.90 : x
2. Step 2: Convert to fraction form
   16,042.73/24,069.56 = 8,647.90/x
3. Step 3: Cross multiply
   16,042.73x = 24,069.56 × 8,647.90
4. Step 4: Simplify right side
   16,042.73x = 208,151,044.51
5. Step 5: Solve for x
   x = 208,151,044.51/16,042.73
6. Step 6: Final answer
   x = 12,974.79