Finding the Fourth Proportional to 12,234.50, 16,885.05 and 7,266.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,234.50 : 16,885.05 = 7,266.50 : x
2. Step 2: Convert to fraction form
   12,234.50/16,885.05 = 7,266.50/x
3. Step 3: Cross multiply
   12,234.50x = 16,885.05 × 7,266.50
4. Step 4: Simplify right side
   12,234.50x = 122,695,215.83
5. Step 5: Solve for x
   x = 122,695,215.83/12,234.50
6. Step 6: Final answer
   x = 10,028.63