Finding the Fourth Proportional to 1,426.88, 1,968.20 and 837.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.88 : 1,968.20 = 837.28 : x
2. Step 2: Convert to fraction form
   1,426.88/1,968.20 = 837.28/x
3. Step 3: Cross multiply
   1,426.88x = 1,968.20 × 837.28
4. Step 4: Simplify right side
   1,426.88x = 1,647,934.50
5. Step 5: Solve for x
   x = 1,647,934.50/1,426.88
6. Step 6: Final answer
   x = 1,154.92