Finding the Fourth Proportional to 5,089.37, 7,022.72 and 2,851.11

Step by Step Solution

1. Step 1: Write the proportion equation
   5,089.37 : 7,022.72 = 2,851.11 : x
2. Step 2: Convert to fraction form
   5,089.37/7,022.72 = 2,851.11/x
3. Step 3: Cross multiply
   5,089.37x = 7,022.72 × 2,851.11
4. Step 4: Simplify right side
   5,089.37x = 20,022,532.96
5. Step 5: Solve for x
   x = 20,022,532.96/5,089.37
6. Step 6: Final answer
   x = 3,934.19