Finding the Fourth Proportional to 8,443.67, 12,665.77 and 2,896.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.67 : 12,665.77 = 2,896.94 : x
2. Step 2: Convert to fraction form
   8,443.67/12,665.77 = 2,896.94/x
3. Step 3: Cross multiply
   8,443.67x = 12,665.77 × 2,896.94
4. Step 4: Simplify right side
   8,443.67x = 36,691,923.49
5. Step 5: Solve for x
   x = 36,691,923.49/8,443.67
6. Step 6: Final answer
   x = 4,345.49