Finding the Fourth Proportional to 2,028.03, 3,042.18 and 729.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.03 : 3,042.18 = 729.20 : x
2. Step 2: Convert to fraction form
   2,028.03/3,042.18 = 729.20/x
3. Step 3: Cross multiply
   2,028.03x = 3,042.18 × 729.20
4. Step 4: Simplify right side
   2,028.03x = 2,218,342.45
5. Step 5: Solve for x
   x = 2,218,342.45/2,028.03
6. Step 6: Final answer
   x = 1,093.84