Finding the Fourth Proportional to 3,268.22, 4,896.72 and 2,156.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,268.22 : 4,896.72 = 2,156.94 : x
2. Step 2: Convert to fraction form
   3,268.22/4,896.72 = 2,156.94/x
3. Step 3: Cross multiply
   3,268.22x = 4,896.72 × 2,156.94
4. Step 4: Simplify right side
   3,268.22x = 10,561,931.24
5. Step 5: Solve for x
   x = 10,561,931.24/3,268.22
6. Step 6: Final answer
   x = 3,231.71