Finding the Fourth Proportional to 12,644.34, 17,450.37 and 7,267.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,644.34 : 17,450.37 = 7,267.50 : x
2. Step 2: Convert to fraction form
   12,644.34/17,450.37 = 7,267.50/x
3. Step 3: Cross multiply
   12,644.34x = 17,450.37 × 7,267.50
4. Step 4: Simplify right side
   12,644.34x = 126,820,563.98
5. Step 5: Solve for x
   x = 126,820,563.98/12,644.34
6. Step 6: Final answer
   x = 10,029.83