Finding the Fourth Proportional to 2,187.46, 3,018.67 and 1,192.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.46 : 3,018.67 = 1,192.67 : x
2. Step 2: Convert to fraction form
   2,187.46/3,018.67 = 1,192.67/x
3. Step 3: Cross multiply
   2,187.46x = 3,018.67 × 1,192.67
4. Step 4: Simplify right side
   2,187.46x = 3,600,287.37
5. Step 5: Solve for x
   x = 3,600,287.37/2,187.46
6. Step 6: Final answer
   x = 1,645.88