Finding the Fourth Proportional to 5,111.82, 7,054.31 and 2,873.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.82 : 7,054.31 = 2,873.70 : x
2. Step 2: Convert to fraction form
   5,111.82/7,054.31 = 2,873.70/x
3. Step 3: Cross multiply
   5,111.82x = 7,054.31 × 2,873.70
4. Step 4: Simplify right side
   5,111.82x = 20,271,977.83
5. Step 5: Solve for x
   x = 20,271,977.83/5,111.82
6. Step 6: Final answer
   x = 3,965.71