Finding the Fourth Proportional to 2,741.56, 4,112.81 and 892.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.56 : 4,112.81 = 892.15 : x
2. Step 2: Convert to fraction form
   2,741.56/4,112.81 = 892.15/x
3. Step 3: Cross multiply
   2,741.56x = 4,112.81 × 892.15
4. Step 4: Simplify right side
   2,741.56x = 3,669,243.44
5. Step 5: Solve for x
   x = 3,669,243.44/2,741.56
6. Step 6: Final answer
   x = 1,338.38