Finding the Fourth Proportional to 2,021.58, 3,028.76 and 1,096.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.58 : 3,028.76 = 1,096.55 : x
2. Step 2: Convert to fraction form
   2,021.58/3,028.76 = 1,096.55/x
3. Step 3: Cross multiply
   2,021.58x = 3,028.76 × 1,096.55
4. Step 4: Simplify right side
   2,021.58x = 3,321,181.95
5. Step 5: Solve for x
   x = 3,321,181.95/2,021.58
6. Step 6: Final answer
   x = 1,642.86