Finding the Fourth Proportional to 16,058.84, 22,161.69 and 8,985.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,058.84 : 22,161.69 = 8,985.29 : x
2. Step 2: Convert to fraction form
   16,058.84/22,161.69 = 8,985.29/x
3. Step 3: Cross multiply
   16,058.84x = 22,161.69 × 8,985.29
4. Step 4: Simplify right side
   16,058.84x = 199,129,100.73
5. Step 5: Solve for x
   x = 199,129,100.73/16,058.84
6. Step 6: Final answer
   x = 12,399.97