Finding the Fourth Proportional to 1,339.97, 1,849.56 and 816.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.97 : 1,849.56 = 816.26 : x
2. Step 2: Convert to fraction form
   1,339.97/1,849.56 = 816.26/x
3. Step 3: Cross multiply
   1,339.97x = 1,849.56 × 816.26
4. Step 4: Simplify right side
   1,339.97x = 1,509,721.85
5. Step 5: Solve for x
   x = 1,509,721.85/1,339.97
6. Step 6: Final answer
   x = 1,126.68