Finding the Fourth Proportional to 16,100.32, 22,218.16 and 9,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.32 : 22,218.16 = 9,026.72 : x
2. Step 2: Convert to fraction form
   16,100.32/22,218.16 = 9,026.72/x
3. Step 3: Cross multiply
   16,100.32x = 22,218.16 × 9,026.72
4. Step 4: Simplify right side
   16,100.32x = 200,557,109.24
5. Step 5: Solve for x
   x = 200,557,109.24/16,100.32
6. Step 6: Final answer
   x = 12,456.72