Finding the Fourth Proportional to 3,192.18, 4,789.83 and 1,111.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,192.18 : 4,789.83 = 1,111.27 : x
2. Step 2: Convert to fraction form
   3,192.18/4,789.83 = 1,111.27/x
3. Step 3: Cross multiply
   3,192.18x = 4,789.83 × 1,111.27
4. Step 4: Simplify right side
   3,192.18x = 5,322,795.56
5. Step 5: Solve for x
   x = 5,322,795.56/3,192.18
6. Step 6: Final answer
   x = 1,667.45