Finding the Fourth Proportional to 1,426.50, 1,968.93 and 805.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.50 : 1,968.93 = 805.86 : x
2. Step 2: Convert to fraction form
   1,426.50/1,968.93 = 805.86/x
3. Step 3: Cross multiply
   1,426.50x = 1,968.93 × 805.86
4. Step 4: Simplify right side
   1,426.50x = 1,586,681.93
5. Step 5: Solve for x
   x = 1,586,681.93/1,426.50
6. Step 6: Final answer
   x = 1,112.29