Finding the Fourth Proportional to 3,910.52, 5,395.16 and 2,230.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.52 : 5,395.16 = 2,230.71 : x
2. Step 2: Convert to fraction form
   3,910.52/5,395.16 = 2,230.71/x
3. Step 3: Cross multiply
   3,910.52x = 5,395.16 × 2,230.71
4. Step 4: Simplify right side
   3,910.52x = 12,035,042.94
5. Step 5: Solve for x
   x = 12,035,042.94/3,910.52
6. Step 6: Final answer
   x = 3,077.61