Finding the Fourth Proportional to 8,072.88, 12,111.48 and 2,879.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,072.88 : 12,111.48 = 2,879.04 : x
2. Step 2: Convert to fraction form
   8,072.88/12,111.48 = 2,879.04/x
3. Step 3: Cross multiply
   8,072.88x = 12,111.48 × 2,879.04
4. Step 4: Simplify right side
   8,072.88x = 34,869,435.38
5. Step 5: Solve for x
   x = 34,869,435.38/8,072.88
6. Step 6: Final answer
   x = 4,319.33