Finding the Fourth Proportional to 16,626.32, 22,943.80 and 9,072.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,626.32 : 22,943.80 = 9,072.76 : x
2. Step 2: Convert to fraction form
   16,626.32/22,943.80 = 9,072.76/x
3. Step 3: Cross multiply
   16,626.32x = 22,943.80 × 9,072.76
4. Step 4: Simplify right side
   16,626.32x = 208,163,590.89
5. Step 5: Solve for x
   x = 208,163,590.89/16,626.32
6. Step 6: Final answer
   x = 12,520.12