Finding the Fourth Proportional to 2,760.38, 4,141.08 and 911.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.38 : 4,141.08 = 911.57 : x
2. Step 2: Convert to fraction form
   2,760.38/4,141.08 = 911.57/x
3. Step 3: Cross multiply
   2,760.38x = 4,141.08 × 911.57
4. Step 4: Simplify right side
   2,760.38x = 3,774,884.30
5. Step 5: Solve for x
   x = 3,774,884.30/2,760.38
6. Step 6: Final answer
   x = 1,367.52