Finding the Fourth Proportional to 16,328.58, 22,532.76 and 9,255.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,328.58 : 22,532.76 = 9,255.42 : x
2. Step 2: Convert to fraction form
   16,328.58/22,532.76 = 9,255.42/x
3. Step 3: Cross multiply
   16,328.58x = 22,532.76 × 9,255.42
4. Step 4: Simplify right side
   16,328.58x = 208,550,157.56
5. Step 5: Solve for x
   x = 208,550,157.56/16,328.58
6. Step 6: Final answer
   x = 12,772.09