Finding the Fourth Proportional to 2,196.89, 3,293.49 and 1,026.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.89 : 3,293.49 = 1,026.28 : x
2. Step 2: Convert to fraction form
   2,196.89/3,293.49 = 1,026.28/x
3. Step 3: Cross multiply
   2,196.89x = 3,293.49 × 1,026.28
4. Step 4: Simplify right side
   2,196.89x = 3,380,042.92
5. Step 5: Solve for x
   x = 3,380,042.92/2,196.89
6. Step 6: Final answer
   x = 1,538.56