Finding the Fourth Proportional to 1,442.67, 2,158.38 and 1,097

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442.67 : 2,158.38 = 1,097 : x
2. Step 2: Convert to fraction form
   1,442.67/2,158.38 = 1,097/x
3. Step 3: Cross multiply
   1,442.67x = 2,158.38 × 1,097
4. Step 4: Simplify right side
   1,442.67x = 2,367,742.86
5. Step 5: Solve for x
   x = 2,367,742.86/1,442.67
6. Step 6: Final answer
   x = 1,641.22