Finding the Fourth Proportional to 8,061.78, 12,085.37 and 2,866.44

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.78 : 12,085.37 = 2,866.44 : x
2. Step 2: Convert to fraction form
   8,061.78/12,085.37 = 2,866.44/x
3. Step 3: Cross multiply
   8,061.78x = 12,085.37 × 2,866.44
4. Step 4: Simplify right side
   8,061.78x = 34,641,987.98
5. Step 5: Solve for x
   x = 34,641,987.98/8,061.78
6. Step 6: Final answer
   x = 4,297.06