Finding the Fourth Proportional to 1,951.54, 2,912.51 and 1,872.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,951.54 : 2,912.51 = 1,872.16 : x
2. Step 2: Convert to fraction form
   1,951.54/2,912.51 = 1,872.16/x
3. Step 3: Cross multiply
   1,951.54x = 2,912.51 × 1,872.16
4. Step 4: Simplify right side
   1,951.54x = 5,452,684.72
5. Step 5: Solve for x
   x = 5,452,684.72/1,951.54
6. Step 6: Final answer
   x = 2,794.04