Finding the Fourth Proportional to 8,084.75, 12,122.69 and 3,086.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,084.75 : 12,122.69 = 3,086.03 : x
2. Step 2: Convert to fraction form
   8,084.75/12,122.69 = 3,086.03/x
3. Step 3: Cross multiply
   8,084.75x = 12,122.69 × 3,086.03
4. Step 4: Simplify right side
   8,084.75x = 37,410,999.90
5. Step 5: Solve for x
   x = 37,410,999.90/8,084.75
6. Step 6: Final answer
   x = 4,627.36