Finding the Fourth Proportional to 16,626.58, 22,943.96 and 9,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,626.58 : 22,943.96 = 9,072.72 : x
2. Step 2: Convert to fraction form
   16,626.58/22,943.96 = 9,072.72/x
3. Step 3: Cross multiply
   16,626.58x = 22,943.96 × 9,072.72
4. Step 4: Simplify right side
   16,626.58x = 208,164,124.77
5. Step 5: Solve for x
   x = 208,164,124.77/16,626.58
6. Step 6: Final answer
   x = 12,519.96