Finding the Fourth Proportional to 2,911.22, 4,019.50 and 2,725.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,911.22 : 4,019.50 = 2,725.33 : x
2. Step 2: Convert to fraction form
   2,911.22/4,019.50 = 2,725.33/x
3. Step 3: Cross multiply
   2,911.22x = 4,019.50 × 2,725.33
4. Step 4: Simplify right side
   2,911.22x = 10,954,463.94
5. Step 5: Solve for x
   x = 10,954,463.94/2,911.22
6. Step 6: Final answer
   x = 3,762.84