Finding the Fourth Proportional to 2,152.92, 3,229.50 and 1,112.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.92 : 3,229.50 = 1,112.76 : x
2. Step 2: Convert to fraction form
   2,152.92/3,229.50 = 1,112.76/x
3. Step 3: Cross multiply
   2,152.92x = 3,229.50 × 1,112.76
4. Step 4: Simplify right side
   2,152.92x = 3,593,658.42
5. Step 5: Solve for x
   x = 3,593,658.42/2,152.92
6. Step 6: Final answer
   x = 1,669.20