Finding the Fourth Proportional to 1,309.82, 1,806.77 and 844.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309.82 : 1,806.77 = 844.07 : x
2. Step 2: Convert to fraction form
   1,309.82/1,806.77 = 844.07/x
3. Step 3: Cross multiply
   1,309.82x = 1,806.77 × 844.07
4. Step 4: Simplify right side
   1,309.82x = 1,525,033.43
5. Step 5: Solve for x
   x = 1,525,033.43/1,309.82
6. Step 6: Final answer
   x = 1,164.31