Finding the Fourth Proportional to 2,152.36, 3,228.27 and 1,112.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.36 : 3,228.27 = 1,112.05 : x
2. Step 2: Convert to fraction form
   2,152.36/3,228.27 = 1,112.05/x
3. Step 3: Cross multiply
   2,152.36x = 3,228.27 × 1,112.05
4. Step 4: Simplify right side
   2,152.36x = 3,589,997.65
5. Step 5: Solve for x
   x = 3,589,997.65/2,152.36
6. Step 6: Final answer
   x = 1,667.94