Finding the Fourth Proportional to 16,628.72, 22,947.64 and 9,074.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,628.72 : 22,947.64 = 9,074.96 : x
2. Step 2: Convert to fraction form
   16,628.72/22,947.64 = 9,074.96/x
3. Step 3: Cross multiply
   16,628.72x = 22,947.64 × 9,074.96
4. Step 4: Simplify right side
   16,628.72x = 208,248,915.09
5. Step 5: Solve for x
   x = 208,248,915.09/16,628.72
6. Step 6: Final answer
   x = 12,523.45