Finding the Fourth Proportional to 2,112.16, 2,912.88 and 1,414.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.16 : 2,912.88 = 1,414.48 : x
2. Step 2: Convert to fraction form
   2,112.16/2,912.88 = 1,414.48/x
3. Step 3: Cross multiply
   2,112.16x = 2,912.88 × 1,414.48
4. Step 4: Simplify right side
   2,112.16x = 4,120,210.50
5. Step 5: Solve for x
   x = 4,120,210.50/2,112.16
6. Step 6: Final answer
   x = 1,950.71