Finding the Fourth Proportional to 1,426.77, 1,968.98 and 837.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.77 : 1,968.98 = 837.36 : x
2. Step 2: Convert to fraction form
   1,426.77/1,968.98 = 837.36/x
3. Step 3: Cross multiply
   1,426.77x = 1,968.98 × 837.36
4. Step 4: Simplify right side
   1,426.77x = 1,648,740.91
5. Step 5: Solve for x
   x = 1,648,740.91/1,426.77
6. Step 6: Final answer
   x = 1,155.58