Finding the Fourth Proportional to 2,741.55, 4,111.80 and 892.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.55 : 4,111.80 = 892.11 : x
2. Step 2: Convert to fraction form
   2,741.55/4,111.80 = 892.11/x
3. Step 3: Cross multiply
   2,741.55x = 4,111.80 × 892.11
4. Step 4: Simplify right side
   2,741.55x = 3,668,177.90
5. Step 5: Solve for x
   x = 3,668,177.90/2,741.55
6. Step 6: Final answer
   x = 1,337.99