Finding the Fourth Proportional to 16,648.56, 22,974.84 and 9,574.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,648.56 : 22,974.84 = 9,574.80 : x
2. Step 2: Convert to fraction form
   16,648.56/22,974.84 = 9,574.80/x
3. Step 3: Cross multiply
   16,648.56x = 22,974.84 × 9,574.80
4. Step 4: Simplify right side
   16,648.56x = 219,979,498.03
5. Step 5: Solve for x
   x = 219,979,498.03/16,648.56
6. Step 6: Final answer
   x = 13,213.12