Finding the Fourth Proportional to 1,426.09, 1,968.01 and 805.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.09 : 1,968.01 = 805.09 : x
2. Step 2: Convert to fraction form
   1,426.09/1,968.01 = 805.09/x
3. Step 3: Cross multiply
   1,426.09x = 1,968.01 × 805.09
4. Step 4: Simplify right side
   1,426.09x = 1,584,425.17
5. Step 5: Solve for x
   x = 1,584,425.17/1,426.09
6. Step 6: Final answer
   x = 1,111.03