Finding the Fourth Proportional to 22,011, 30,375.24 and 12,579.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,011 : 30,375.24 = 12,579.54 : x
2. Step 2: Convert to fraction form
   22,011/30,375.24 = 12,579.54/x
3. Step 3: Cross multiply
   22,011x = 30,375.24 × 12,579.54
4. Step 4: Simplify right side
   22,011x = 382,106,546.59
5. Step 5: Solve for x
   x = 382,106,546.59/22,011
6. Step 6: Final answer
   x = 17,359.80