Finding the Fourth Proportional to 16,077.34, 22,186.72 and 8,907.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,077.34 : 22,186.72 = 8,907.72 : x
2. Step 2: Convert to fraction form
   16,077.34/22,186.72 = 8,907.72/x
3. Step 3: Cross multiply
   16,077.34x = 22,186.72 × 8,907.72
4. Step 4: Simplify right side
   16,077.34x = 197,633,067.21
5. Step 5: Solve for x
   x = 197,633,067.21/16,077.34
6. Step 6: Final answer
   x = 12,292.65