Finding the Fourth Proportional to 1,426.76, 1,968.94 and 837.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.76 : 1,968.94 = 837.30 : x
2. Step 2: Convert to fraction form
   1,426.76/1,968.94 = 837.30/x
3. Step 3: Cross multiply
   1,426.76x = 1,968.94 × 837.30
4. Step 4: Simplify right side
   1,426.76x = 1,648,593.46
5. Step 5: Solve for x
   x = 1,648,593.46/1,426.76
6. Step 6: Final answer
   x = 1,155.48