Finding the Fourth Proportional to 5,111.96, 7,054.76 and 2,874.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.96 : 7,054.76 = 2,874.54 : x
2. Step 2: Convert to fraction form
   5,111.96/7,054.76 = 2,874.54/x
3. Step 3: Cross multiply
   5,111.96x = 7,054.76 × 2,874.54
4. Step 4: Simplify right side
   5,111.96x = 20,279,175.44
5. Step 5: Solve for x
   x = 20,279,175.44/5,111.96
6. Step 6: Final answer
   x = 3,967.01