Finding the Fourth Proportional to 1,456.72, 2,186.14 and 1,092.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.72 : 2,186.14 = 1,092.49 : x
2. Step 2: Convert to fraction form
   1,456.72/2,186.14 = 1,092.49/x
3. Step 3: Cross multiply
   1,456.72x = 2,186.14 × 1,092.49
4. Step 4: Simplify right side
   1,456.72x = 2,388,336.09
5. Step 5: Solve for x
   x = 2,388,336.09/1,456.72
6. Step 6: Final answer
   x = 1,639.53