Finding the Fourth Proportional to 1,422.40, 1,962.27 and 832.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.40 : 1,962.27 = 832.67 : x
2. Step 2: Convert to fraction form
   1,422.40/1,962.27 = 832.67/x
3. Step 3: Cross multiply
   1,422.40x = 1,962.27 × 832.67
4. Step 4: Simplify right side
   1,422.40x = 1,633,923.36
5. Step 5: Solve for x
   x = 1,633,923.36/1,422.40
6. Step 6: Final answer
   x = 1,148.71