Finding the Fourth Proportional to 16,479.35, 22,741.59 and 9,211.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,479.35 : 22,741.59 = 9,211.43 : x
2. Step 2: Convert to fraction form
   16,479.35/22,741.59 = 9,211.43/x
3. Step 3: Cross multiply
   16,479.35x = 22,741.59 × 9,211.43
4. Step 4: Simplify right side
   16,479.35x = 209,482,564.37
5. Step 5: Solve for x
   x = 209,482,564.37/16,479.35
6. Step 6: Final answer
   x = 12,711.83