Finding the Fourth Proportional to 16,634.72, 22,956 and 9,182.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,634.72 : 22,956 = 9,182.72 : x
2. Step 2: Convert to fraction form
   16,634.72/22,956 = 9,182.72/x
3. Step 3: Cross multiply
   16,634.72x = 22,956 × 9,182.72
4. Step 4: Simplify right side
   16,634.72x = 210,798,520.32
5. Step 5: Solve for x
   x = 210,798,520.32/16,634.72
6. Step 6: Final answer
   x = 12,672.20