Finding the Fourth Proportional to 16,058.82, 22,162.50 and 8,985.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,058.82 : 22,162.50 = 8,985.90 : x
2. Step 2: Convert to fraction form
   16,058.82/22,162.50 = 8,985.90/x
3. Step 3: Cross multiply
   16,058.82x = 22,162.50 × 8,985.90
4. Step 4: Simplify right side
   16,058.82x = 199,150,008.75
5. Step 5: Solve for x
   x = 199,150,008.75/16,058.82
6. Step 6: Final answer
   x = 12,401.29