Finding the Fourth Proportional to 5,111.82, 7,054.56 and 2,874.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.82 : 7,054.56 = 2,874.06 : x
2. Step 2: Convert to fraction form
   5,111.82/7,054.56 = 2,874.06/x
3. Step 3: Cross multiply
   5,111.82x = 7,054.56 × 2,874.06
4. Step 4: Simplify right side
   5,111.82x = 20,275,228.71
5. Step 5: Solve for x
   x = 20,275,228.71/5,111.82
6. Step 6: Final answer
   x = 3,966.34