Finding the Fourth Proportional to 16,111.82, 22,234.28 and 9,038.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.82 : 22,234.28 = 9,038.18 : x
2. Step 2: Convert to fraction form
   16,111.82/22,234.28 = 9,038.18/x
3. Step 3: Cross multiply
   16,111.82x = 22,234.28 × 9,038.18
4. Step 4: Simplify right side
   16,111.82x = 200,957,424.81
5. Step 5: Solve for x
   x = 200,957,424.81/16,111.82
6. Step 6: Final answer
   x = 12,472.67