Finding the Fourth Proportional to 2,731.78, 4,099.56 and 1,434.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.78 : 4,099.56 = 1,434.16 : x
2. Step 2: Convert to fraction form
   2,731.78/4,099.56 = 1,434.16/x
3. Step 3: Cross multiply
   2,731.78x = 4,099.56 × 1,434.16
4. Step 4: Simplify right side
   2,731.78x = 5,879,424.97
5. Step 5: Solve for x
   x = 5,879,424.97/2,731.78
6. Step 6: Final answer
   x = 2,152.23