Finding the Fourth Proportional to 7,004.06, 9,665.81 and 3,860.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,004.06 : 9,665.81 = 3,860.45 : x
2. Step 2: Convert to fraction form
   7,004.06/9,665.81 = 3,860.45/x
3. Step 3: Cross multiply
   7,004.06x = 9,665.81 × 3,860.45
4. Step 4: Simplify right side
   7,004.06x = 37,314,410.03
5. Step 5: Solve for x
   x = 37,314,410.03/7,004.06
6. Step 6: Final answer
   x = 5,327.54