Finding the Fourth Proportional to 3,806.52, 5,250.41 and 3,308.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806.52 : 5,250.41 = 3,308.31 : x
2. Step 2: Convert to fraction form
   3,806.52/5,250.41 = 3,308.31/x
3. Step 3: Cross multiply
   3,806.52x = 5,250.41 × 3,308.31
4. Step 4: Simplify right side
   3,806.52x = 17,369,967.37
5. Step 5: Solve for x
   x = 17,369,967.37/3,806.52
6. Step 6: Final answer
   x = 4,563.21