Finding the Fourth Proportional to 7,004.27, 9,665.89 and 3,860.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,004.27 : 9,665.89 = 3,860.45 : x
2. Step 2: Convert to fraction form
   7,004.27/9,665.89 = 3,860.45/x
3. Step 3: Cross multiply
   7,004.27x = 9,665.89 × 3,860.45
4. Step 4: Simplify right side
   7,004.27x = 37,314,699.56
5. Step 5: Solve for x
   x = 37,314,699.56/7,004.27
6. Step 6: Final answer
   x = 5,327.43