Finding the Fourth Proportional to 13,046.67, 18,006.71 and 7,744.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.67 : 18,006.71 = 7,744.41 : x
2. Step 2: Convert to fraction form
   13,046.67/18,006.71 = 7,744.41/x
3. Step 3: Cross multiply
   13,046.67x = 18,006.71 × 7,744.41
4. Step 4: Simplify right side
   13,046.67x = 139,451,306.27
5. Step 5: Solve for x
   x = 139,451,306.27/13,046.67
6. Step 6: Final answer
   x = 10,688.65