Finding the Fourth Proportional to 2,215.16, 3,322.71 and 755.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.16 : 3,322.71 = 755.33 : x
2. Step 2: Convert to fraction form
   2,215.16/3,322.71 = 755.33/x
3. Step 3: Cross multiply
   2,215.16x = 3,322.71 × 755.33
4. Step 4: Simplify right side
   2,215.16x = 2,509,742.54
5. Step 5: Solve for x
   x = 2,509,742.54/2,215.16
6. Step 6: Final answer
   x = 1,132.98