Finding the Fourth Proportional to 3,935.52, 5,431.01 and 2,363.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,935.52 : 5,431.01 = 2,363.61 : x
2. Step 2: Convert to fraction form
   3,935.52/5,431.01 = 2,363.61/x
3. Step 3: Cross multiply
   3,935.52x = 5,431.01 × 2,363.61
4. Step 4: Simplify right side
   3,935.52x = 12,836,789.55
5. Step 5: Solve for x
   x = 12,836,789.55/3,935.52
6. Step 6: Final answer
   x = 3,261.78