Finding the Fourth Proportional to 7,004.05, 9,665.51 and 3,860.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,004.05 : 9,665.51 = 3,860.17 : x
2. Step 2: Convert to fraction form
   7,004.05/9,665.51 = 3,860.17/x
3. Step 3: Cross multiply
   7,004.05x = 9,665.51 × 3,860.17
4. Step 4: Simplify right side
   7,004.05x = 37,310,492.44
5. Step 5: Solve for x
   x = 37,310,492.44/7,004.05
6. Step 6: Final answer
   x = 5,326.99