Finding the Fourth Proportional to 1,426.97, 1,969.22 and 837.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.97 : 1,969.22 = 837.51 : x
2. Step 2: Convert to fraction form
   1,426.97/1,969.22 = 837.51/x
3. Step 3: Cross multiply
   1,426.97x = 1,969.22 × 837.51
4. Step 4: Simplify right side
   1,426.97x = 1,649,243.54
5. Step 5: Solve for x
   x = 1,649,243.54/1,426.97
6. Step 6: Final answer
   x = 1,155.77