Finding the Fourth Proportional to 1,425.34, 1,966.32 and 835.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.34 : 1,966.32 = 835.62 : x
2. Step 2: Convert to fraction form
   1,425.34/1,966.32 = 835.62/x
3. Step 3: Cross multiply
   1,425.34x = 1,966.32 × 835.62
4. Step 4: Simplify right side
   1,425.34x = 1,643,086.49
5. Step 5: Solve for x
   x = 1,643,086.49/1,425.34
6. Step 6: Final answer
   x = 1,152.77