Finding the Fourth Proportional to 16,111.28, 22,232.06 and 9,036.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.28 : 22,232.06 = 9,036.32 : x
2. Step 2: Convert to fraction form
   16,111.28/22,232.06 = 9,036.32/x
3. Step 3: Cross multiply
   16,111.28x = 22,232.06 × 9,036.32
4. Step 4: Simplify right side
   16,111.28x = 200,896,008.42
5. Step 5: Solve for x
   x = 200,896,008.42/16,111.28
6. Step 6: Final answer
   x = 12,469.28