Finding the Fourth Proportional to 8,185.22, 12,283.20 and 4,490.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185.22 : 12,283.20 = 4,490.04 : x
2. Step 2: Convert to fraction form
   8,185.22/12,283.20 = 4,490.04/x
3. Step 3: Cross multiply
   8,185.22x = 12,283.20 × 4,490.04
4. Step 4: Simplify right side
   8,185.22x = 55,152,059.33
5. Step 5: Solve for x
   x = 55,152,059.33/8,185.22
6. Step 6: Final answer
   x = 6,738.01