Finding the Fourth Proportional to 1,322.45, 1,982.56 and 834.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.45 : 1,982.56 = 834.43 : x
2. Step 2: Convert to fraction form
   1,322.45/1,982.56 = 834.43/x
3. Step 3: Cross multiply
   1,322.45x = 1,982.56 × 834.43
4. Step 4: Simplify right side
   1,322.45x = 1,654,300.50
5. Step 5: Solve for x
   x = 1,654,300.50/1,322.45
6. Step 6: Final answer
   x = 1,250.93