Finding the Fourth Proportional to 7,004.38, 9,665.98 and 3,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,004.38 : 9,665.98 = 3,860.50 : x
2. Step 2: Convert to fraction form
   7,004.38/9,665.98 = 3,860.50/x
3. Step 3: Cross multiply
   7,004.38x = 9,665.98 × 3,860.50
4. Step 4: Simplify right side
   7,004.38x = 37,315,515.79
5. Step 5: Solve for x
   x = 37,315,515.79/7,004.38
6. Step 6: Final answer
   x = 5,327.45