Finding the Fourth Proportional to 2,187.27, 3,018.33 and 1,192.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.27 : 3,018.33 = 1,192.54 : x
2. Step 2: Convert to fraction form
   2,187.27/3,018.33 = 1,192.54/x
3. Step 3: Cross multiply
   2,187.27x = 3,018.33 × 1,192.54
4. Step 4: Simplify right side
   2,187.27x = 3,599,479.26
5. Step 5: Solve for x
   x = 3,599,479.26/2,187.27
6. Step 6: Final answer
   x = 1,645.65