Finding the Fourth Proportional to 1,424.71, 1,966.54 and 835.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.71 : 1,966.54 = 835.43 : x
2. Step 2: Convert to fraction form
   1,424.71/1,966.54 = 835.43/x
3. Step 3: Cross multiply
   1,424.71x = 1,966.54 × 835.43
4. Step 4: Simplify right side
   1,424.71x = 1,642,906.51
5. Step 5: Solve for x
   x = 1,642,906.51/1,424.71
6. Step 6: Final answer
   x = 1,153.15