Finding the Fourth Proportional to 1,442.62, 2,158.53 and 1,096.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442.62 : 2,158.53 = 1,096.75 : x
2. Step 2: Convert to fraction form
   1,442.62/2,158.53 = 1,096.75/x
3. Step 3: Cross multiply
   1,442.62x = 2,158.53 × 1,096.75
4. Step 4: Simplify right side
   1,442.62x = 2,367,367.78
5. Step 5: Solve for x
   x = 2,367,367.78/1,442.62
6. Step 6: Final answer
   x = 1,641.02