Finding the Fourth Proportional to 16,190.16, 22,342.83 and 9,116.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,190.16 : 22,342.83 = 9,116.82 : x
2. Step 2: Convert to fraction form
   16,190.16/22,342.83 = 9,116.82/x
3. Step 3: Cross multiply
   16,190.16x = 22,342.83 × 9,116.82
4. Step 4: Simplify right side
   16,190.16x = 203,695,559.40
5. Step 5: Solve for x
   x = 203,695,559.40/16,190.16
6. Step 6: Final answer
   x = 12,581.44