Finding the Fourth Proportional to 1,422.73, 2,132.27 and 1,097.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.73 : 2,132.27 = 1,097.41 : x
2. Step 2: Convert to fraction form
   1,422.73/2,132.27 = 1,097.41/x
3. Step 3: Cross multiply
   1,422.73x = 2,132.27 × 1,097.41
4. Step 4: Simplify right side
   1,422.73x = 2,339,968.93
5. Step 5: Solve for x
   x = 2,339,968.93/1,422.73
6. Step 6: Final answer
   x = 1,644.71