Finding the Fourth Proportional to 2,152.30, 3,227.76 and 1,112.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.30 : 3,227.76 = 1,112.18 : x
2. Step 2: Convert to fraction form
   2,152.30/3,227.76 = 1,112.18/x
3. Step 3: Cross multiply
   2,152.30x = 3,227.76 × 1,112.18
4. Step 4: Simplify right side
   2,152.30x = 3,589,850.12
5. Step 5: Solve for x
   x = 3,589,850.12/2,152.30
6. Step 6: Final answer
   x = 1,667.91