Finding the Fourth Proportional to 1,426.23, 1,968.03 and 836.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.23 : 1,968.03 = 836.82 : x
2. Step 2: Convert to fraction form
   1,426.23/1,968.03 = 836.82/x
3. Step 3: Cross multiply
   1,426.23x = 1,968.03 × 836.82
4. Step 4: Simplify right side
   1,426.23x = 1,646,886.86
5. Step 5: Solve for x
   x = 1,646,886.86/1,426.23
6. Step 6: Final answer
   x = 1,154.71