Finding the Fourth Proportional to 3,726.82, 5,141.92 and 2,311.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.82 : 5,141.92 = 2,311.56 : x
2. Step 2: Convert to fraction form
   3,726.82/5,141.92 = 2,311.56/x
3. Step 3: Cross multiply
   3,726.82x = 5,141.92 × 2,311.56
4. Step 4: Simplify right side
   3,726.82x = 11,885,856.60
5. Step 5: Solve for x
   x = 11,885,856.60/3,726.82
6. Step 6: Final answer
   x = 3,189.28