Finding the Fourth Proportional to 16,647.88, 22,974.78 and 9,574.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,647.88 : 22,974.78 = 9,574.31 : x
2. Step 2: Convert to fraction form
   16,647.88/22,974.78 = 9,574.31/x
3. Step 3: Cross multiply
   16,647.88x = 22,974.78 × 9,574.31
4. Step 4: Simplify right side
   16,647.88x = 219,967,630.00
5. Step 5: Solve for x
   x = 219,967,630.00/16,647.88
6. Step 6: Final answer
   x = 13,212.95