Finding the Fourth Proportional to 7,004.10, 9,665.60 and 3,860.29

Step by Step Solution

1. Step 1: Write the proportion equation
   7,004.10 : 9,665.60 = 3,860.29 : x
2. Step 2: Convert to fraction form
   7,004.10/9,665.60 = 3,860.29/x
3. Step 3: Cross multiply
   7,004.10x = 9,665.60 × 3,860.29
4. Step 4: Simplify right side
   7,004.10x = 37,312,019.02
5. Step 5: Solve for x
   x = 37,312,019.02/7,004.10
6. Step 6: Final answer
   x = 5,327.17