Finding the Fourth Proportional to 16,265.52, 22,446.86 and 9,191.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,265.52 : 22,446.86 = 9,191.79 : x
2. Step 2: Convert to fraction form
   16,265.52/22,446.86 = 9,191.79/x
3. Step 3: Cross multiply
   16,265.52x = 22,446.86 × 9,191.79
4. Step 4: Simplify right side
   16,265.52x = 206,326,777.32
5. Step 5: Solve for x
   x = 206,326,777.32/16,265.52
6. Step 6: Final answer
   x = 12,684.92