Finding the Fourth Proportional to 1,425.59, 1,966.83 and 835.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.59 : 1,966.83 = 835.71 : x
2. Step 2: Convert to fraction form
   1,425.59/1,966.83 = 835.71/x
3. Step 3: Cross multiply
   1,425.59x = 1,966.83 × 835.71
4. Step 4: Simplify right side
   1,425.59x = 1,643,699.50
5. Step 5: Solve for x
   x = 1,643,699.50/1,425.59
6. Step 6: Final answer
   x = 1,153.00