Finding the Fourth Proportional to 2,741.79, 4,111.60 and 892.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.79 : 4,111.60 = 892.45 : x
2. Step 2: Convert to fraction form
   2,741.79/4,111.60 = 892.45/x
3. Step 3: Cross multiply
   2,741.79x = 4,111.60 × 892.45
4. Step 4: Simplify right side
   2,741.79x = 3,669,397.42
5. Step 5: Solve for x
   x = 3,669,397.42/2,741.79
6. Step 6: Final answer
   x = 1,338.32