Finding the Fourth Proportional to 1,426.35, 1,968.06 and 836.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.35 : 1,968.06 = 836.67 : x
2. Step 2: Convert to fraction form
   1,426.35/1,968.06 = 836.67/x
3. Step 3: Cross multiply
   1,426.35x = 1,968.06 × 836.67
4. Step 4: Simplify right side
   1,426.35x = 1,646,616.76
5. Step 5: Solve for x
   x = 1,646,616.76/1,426.35
6. Step 6: Final answer
   x = 1,154.43