Finding the Fourth Proportional to 16,279.79, 22,466.53 and 9,109.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,279.79 : 22,466.53 = 9,109.46 : x
2. Step 2: Convert to fraction form
   16,279.79/22,466.53 = 9,109.46/x
3. Step 3: Cross multiply
   16,279.79x = 22,466.53 × 9,109.46
4. Step 4: Simplify right side
   16,279.79x = 204,657,985.50
5. Step 5: Solve for x
   x = 204,657,985.50/16,279.79
6. Step 6: Final answer
   x = 12,571.30