Finding the Fourth Proportional to 5,111.27, 7,053.69 and 2,873.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.27 : 7,053.69 = 2,873.35 : x
2. Step 2: Convert to fraction form
   5,111.27/7,053.69 = 2,873.35/x
3. Step 3: Cross multiply
   5,111.27x = 7,053.69 × 2,873.35
4. Step 4: Simplify right side
   5,111.27x = 20,267,720.16
5. Step 5: Solve for x
   x = 20,267,720.16/5,111.27
6. Step 6: Final answer
   x = 3,965.30