Finding the Fourth Proportional to 8,298.49, 12,443.68 and 3,622.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,298.49 : 12,443.68 = 3,622.45 : x
2. Step 2: Convert to fraction form
   8,298.49/12,443.68 = 3,622.45/x
3. Step 3: Cross multiply
   8,298.49x = 12,443.68 × 3,622.45
4. Step 4: Simplify right side
   8,298.49x = 45,076,608.62
5. Step 5: Solve for x
   x = 45,076,608.62/8,298.49
6. Step 6: Final answer
   x = 5,431.90