Finding the Fourth Proportional to 7,005.18, 9,667.04 and 3,861.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.18 : 9,667.04 = 3,861.38 : x
2. Step 2: Convert to fraction form
   7,005.18/9,667.04 = 3,861.38/x
3. Step 3: Cross multiply
   7,005.18x = 9,667.04 × 3,861.38
4. Step 4: Simplify right side
   7,005.18x = 37,328,114.92
5. Step 5: Solve for x
   x = 37,328,114.92/7,005.18
6. Step 6: Final answer
   x = 5,328.64