Finding the Fourth Proportional to 8,055.15, 12,084.50 and 3,311.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,055.15 : 12,084.50 = 3,311.29 : x
2. Step 2: Convert to fraction form
   8,055.15/12,084.50 = 3,311.29/x
3. Step 3: Cross multiply
   8,055.15x = 12,084.50 × 3,311.29
4. Step 4: Simplify right side
   8,055.15x = 40,015,284.01
5. Step 5: Solve for x
   x = 40,015,284.01/8,055.15
6. Step 6: Final answer
   x = 4,967.66