Finding the Fourth Proportional to 8,443.74, 12,667.49 and 2,896.97

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.74 : 12,667.49 = 2,896.97 : x
2. Step 2: Convert to fraction form
   8,443.74/12,667.49 = 2,896.97/x
3. Step 3: Cross multiply
   8,443.74x = 12,667.49 × 2,896.97
4. Step 4: Simplify right side
   8,443.74x = 36,697,271.55
5. Step 5: Solve for x
   x = 36,697,271.55/8,443.74
6. Step 6: Final answer
   x = 4,346.09