Finding the Fourth Proportional to 5,111.87, 7,054.35 and 2,873.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.87 : 7,054.35 = 2,873.73 : x
2. Step 2: Convert to fraction form
   5,111.87/7,054.35 = 2,873.73/x
3. Step 3: Cross multiply
   5,111.87x = 7,054.35 × 2,873.73
4. Step 4: Simplify right side
   5,111.87x = 20,272,297.23
5. Step 5: Solve for x
   x = 20,272,297.23/5,111.87
6. Step 6: Final answer
   x = 3,965.73