Finding the Fourth Proportional to 22,168.32, 33,224.72 and 11,078.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,168.32 : 33,224.72 = 11,078.12 : x
2. Step 2: Convert to fraction form
   22,168.32/33,224.72 = 11,078.12/x
3. Step 3: Cross multiply
   22,168.32x = 33,224.72 × 11,078.12
4. Step 4: Simplify right side
   22,168.32x = 368,067,435.13
5. Step 5: Solve for x
   x = 368,067,435.13/22,168.32
6. Step 6: Final answer
   x = 16,603.31