Finding the Fourth Proportional to 5,111.85, 7,054.10 and 2,873.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.85 : 7,054.10 = 2,873.94 : x
2. Step 2: Convert to fraction form
   5,111.85/7,054.10 = 2,873.94/x
3. Step 3: Cross multiply
   5,111.85x = 7,054.10 × 2,873.94
4. Step 4: Simplify right side
   5,111.85x = 20,273,046.27
5. Step 5: Solve for x
   x = 20,273,046.27/5,111.85
6. Step 6: Final answer
   x = 3,965.89