Finding the Fourth Proportional to 1,426.88, 1,969.02 and 837.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.88 : 1,969.02 = 837.76 : x
2. Step 2: Convert to fraction form
   1,426.88/1,969.02 = 837.76/x
3. Step 3: Cross multiply
   1,426.88x = 1,969.02 × 837.76
4. Step 4: Simplify right side
   1,426.88x = 1,649,566.20
5. Step 5: Solve for x
   x = 1,649,566.20/1,426.88
6. Step 6: Final answer
   x = 1,156.07