Finding the Fourth Proportional to 8,308.91, 12,454.81 and 3,628.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.91 : 12,454.81 = 3,628.04 : x
2. Step 2: Convert to fraction form
   8,308.91/12,454.81 = 3,628.04/x
3. Step 3: Cross multiply
   8,308.91x = 12,454.81 × 3,628.04
4. Step 4: Simplify right side
   8,308.91x = 45,186,524.23
5. Step 5: Solve for x
   x = 45,186,524.23/8,308.91
6. Step 6: Final answer
   x = 5,438.32