Finding the Fourth Proportional to 7,004.02, 9,665.98 and 3,860.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,004.02 : 9,665.98 = 3,860.20 : x
2. Step 2: Convert to fraction form
   7,004.02/9,665.98 = 3,860.20/x
3. Step 3: Cross multiply
   7,004.02x = 9,665.98 × 3,860.20
4. Step 4: Simplify right side
   7,004.02x = 37,312,616.00
5. Step 5: Solve for x
   x = 37,312,616.00/7,004.02
6. Step 6: Final answer
   x = 5,327.31