Finding the Fourth Proportional to 7,003.92, 9,665.46 and 3,860.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.92 : 9,665.46 = 3,860.16 : x
2. Step 2: Convert to fraction form
   7,003.92/9,665.46 = 3,860.16/x
3. Step 3: Cross multiply
   7,003.92x = 9,665.46 × 3,860.16
4. Step 4: Simplify right side
   7,003.92x = 37,310,222.07
5. Step 5: Solve for x
   x = 37,310,222.07/7,003.92
6. Step 6: Final answer
   x = 5,327.05