Finding the Fourth Proportional to 8,054.25, 12,081.78 and 2,860.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,054.25 : 12,081.78 = 2,860.53 : x
2. Step 2: Convert to fraction form
   8,054.25/12,081.78 = 2,860.53/x
3. Step 3: Cross multiply
   8,054.25x = 12,081.78 × 2,860.53
4. Step 4: Simplify right side
   8,054.25x = 34,560,294.14
5. Step 5: Solve for x
   x = 34,560,294.14/8,054.25
6. Step 6: Final answer
   x = 4,290.94