Finding the Fourth Proportional to 8,294.49, 12,438.50 and 3,674.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,294.49 : 12,438.50 = 3,674.25 : x
2. Step 2: Convert to fraction form
   8,294.49/12,438.50 = 3,674.25/x
3. Step 3: Cross multiply
   8,294.49x = 12,438.50 × 3,674.25
4. Step 4: Simplify right side
   8,294.49x = 45,702,140.25
5. Step 5: Solve for x
   x = 45,702,140.25/8,294.49
6. Step 6: Final answer
   x = 5,509.94