Finding the Fourth Proportional to 1,344, 2,026.56 and 1,090.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344 : 2,026.56 = 1,090.56 : x
2. Step 2: Convert to fraction form
   1,344/2,026.56 = 1,090.56/x
3. Step 3: Cross multiply
   1,344x = 2,026.56 × 1,090.56
4. Step 4: Simplify right side
   1,344x = 2,210,085.27
5. Step 5: Solve for x
   x = 2,210,085.27/1,344
6. Step 6: Final answer
   x = 1,644.41