Finding the Fourth Proportional to 7,005.79, 9,667.88 and 3,862.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.79 : 9,667.88 = 3,862.27 : x
2. Step 2: Convert to fraction form
   7,005.79/9,667.88 = 3,862.27/x
3. Step 3: Cross multiply
   7,005.79x = 9,667.88 × 3,862.27
4. Step 4: Simplify right side
   7,005.79x = 37,339,943.58
5. Step 5: Solve for x
   x = 37,339,943.58/7,005.79
6. Step 6: Final answer
   x = 5,329.87