Finding the Fourth Proportional to 2,028.16, 2,796.96 and 1,328.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.16 : 2,796.96 = 1,328.32 : x
2. Step 2: Convert to fraction form
   2,028.16/2,796.96 = 1,328.32/x
3. Step 3: Cross multiply
   2,028.16x = 2,796.96 × 1,328.32
4. Step 4: Simplify right side
   2,028.16x = 3,715,257.91
5. Step 5: Solve for x
   x = 3,715,257.91/2,028.16
6. Step 6: Final answer
   x = 1,831.84