Finding the Fourth Proportional to 2,026.45, 3,040.89 and 728.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.45 : 3,040.89 = 728.02 : x
2. Step 2: Convert to fraction form
   2,026.45/3,040.89 = 728.02/x
3. Step 3: Cross multiply
   2,026.45x = 3,040.89 × 728.02
4. Step 4: Simplify right side
   2,026.45x = 2,213,809.89
5. Step 5: Solve for x
   x = 2,213,809.89/2,026.45
6. Step 6: Final answer
   x = 1,092.46