Finding the Fourth Proportional to 8,012.94, 12,019.68 and 3,081.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,012.94 : 12,019.68 = 3,081.48 : x
2. Step 2: Convert to fraction form
   8,012.94/12,019.68 = 3,081.48/x
3. Step 3: Cross multiply
   8,012.94x = 12,019.68 × 3,081.48
4. Step 4: Simplify right side
   8,012.94x = 37,038,403.53
5. Step 5: Solve for x
   x = 37,038,403.53/8,012.94
6. Step 6: Final answer
   x = 4,622.32