Finding the Fourth Proportional to 3,910.01, 5,395.88 and 2,141.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.01 : 5,395.88 = 2,141.57 : x
2. Step 2: Convert to fraction form
   3,910.01/5,395.88 = 2,141.57/x
3. Step 3: Cross multiply
   3,910.01x = 5,395.88 × 2,141.57
4. Step 4: Simplify right side
   3,910.01x = 11,555,673.58
5. Step 5: Solve for x
   x = 11,555,673.58/3,910.01
6. Step 6: Final answer
   x = 2,955.41