Finding the Fourth Proportional to 7,005.42, 9,667.49 and 3,861.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.42 : 9,667.49 = 3,861.59 : x
2. Step 2: Convert to fraction form
   7,005.42/9,667.49 = 3,861.59/x
3. Step 3: Cross multiply
   7,005.42x = 9,667.49 × 3,861.59
4. Step 4: Simplify right side
   7,005.42x = 37,331,815.06
5. Step 5: Solve for x
   x = 37,331,815.06/7,005.42
6. Step 6: Final answer
   x = 5,328.99