Finding the Fourth Proportional to 8,667.49, 13,008.60 and 3,406.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.49 : 13,008.60 = 3,406.17 : x
2. Step 2: Convert to fraction form
   8,667.49/13,008.60 = 3,406.17/x
3. Step 3: Cross multiply
   8,667.49x = 13,008.60 × 3,406.17
4. Step 4: Simplify right side
   8,667.49x = 44,309,503.06
5. Step 5: Solve for x
   x = 44,309,503.06/8,667.49
6. Step 6: Final answer
   x = 5,112.15