Finding the Fourth Proportional to 1,424.43, 1,966.20 and 835.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.43 : 1,966.20 = 835.14 : x
2. Step 2: Convert to fraction form
   1,424.43/1,966.20 = 835.14/x
3. Step 3: Cross multiply
   1,424.43x = 1,966.20 × 835.14
4. Step 4: Simplify right side
   1,424.43x = 1,642,052.27
5. Step 5: Solve for x
   x = 1,642,052.27/1,424.43
6. Step 6: Final answer
   x = 1,152.78