Finding the Fourth Proportional to 4,181.05, 5,769.88 and 2,854.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,181.05 : 5,769.88 = 2,854.72 : x
2. Step 2: Convert to fraction form
   4,181.05/5,769.88 = 2,854.72/x
3. Step 3: Cross multiply
   4,181.05x = 5,769.88 × 2,854.72
4. Step 4: Simplify right side
   4,181.05x = 16,471,391.83
5. Step 5: Solve for x
   x = 16,471,391.83/4,181.05
6. Step 6: Final answer
   x = 3,939.53