Finding the Fourth Proportional to 12,010.50, 18,011.16 and 5,768.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,010.50 : 18,011.16 = 5,768.73 : x
2. Step 2: Convert to fraction form
   12,010.50/18,011.16 = 5,768.73/x
3. Step 3: Cross multiply
   12,010.50x = 18,011.16 × 5,768.73
4. Step 4: Simplify right side
   12,010.50x = 103,901,519.03
5. Step 5: Solve for x
   x = 103,901,519.03/12,010.50
6. Step 6: Final answer
   x = 8,650.89