Finding the Fourth Proportional to 1,422.02, 1,962.56 and 832.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.02 : 1,962.56 = 832.55 : x
2. Step 2: Convert to fraction form
   1,422.02/1,962.56 = 832.55/x
3. Step 3: Cross multiply
   1,422.02x = 1,962.56 × 832.55
4. Step 4: Simplify right side
   1,422.02x = 1,633,921.60
5. Step 5: Solve for x
   x = 1,633,921.60/1,422.02
6. Step 6: Final answer
   x = 1,149.01