Finding the Fourth Proportional to 1,425.09, 1,966.77 and 835.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.09 : 1,966.77 = 835.83 : x
2. Step 2: Convert to fraction form
   1,425.09/1,966.77 = 835.83/x
3. Step 3: Cross multiply
   1,425.09x = 1,966.77 × 835.83
4. Step 4: Simplify right side
   1,425.09x = 1,643,885.37
5. Step 5: Solve for x
   x = 1,643,885.37/1,425.09
6. Step 6: Final answer
   x = 1,153.53