Finding the Fourth Proportional to 7,004.08, 9,665.28 and 3,860.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,004.08 : 9,665.28 = 3,860.32 : x
2. Step 2: Convert to fraction form
   7,004.08/9,665.28 = 3,860.32/x
3. Step 3: Cross multiply
   7,004.08x = 9,665.28 × 3,860.32
4. Step 4: Simplify right side
   7,004.08x = 37,311,073.69
5. Step 5: Solve for x
   x = 37,311,073.69/7,004.08
6. Step 6: Final answer
   x = 5,327.05