Finding the Fourth Proportional to 1,426.08, 1,968.08 and 805.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.08 : 1,968.08 = 805.12 : x
2. Step 2: Convert to fraction form
   1,426.08/1,968.08 = 805.12/x
3. Step 3: Cross multiply
   1,426.08x = 1,968.08 × 805.12
4. Step 4: Simplify right side
   1,426.08x = 1,584,540.57
5. Step 5: Solve for x
   x = 1,584,540.57/1,426.08
6. Step 6: Final answer
   x = 1,111.12