Finding the Fourth Proportional to 2,741.42, 4,112.21 and 892.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.42 : 4,112.21 = 892.55 : x
2. Step 2: Convert to fraction form
   2,741.42/4,112.21 = 892.55/x
3. Step 3: Cross multiply
   2,741.42x = 4,112.21 × 892.55
4. Step 4: Simplify right side
   2,741.42x = 3,670,365.55
5. Step 5: Solve for x
   x = 3,670,365.55/2,741.42
6. Step 6: Final answer
   x = 1,338.85