Finding the Fourth Proportional to 3,963.98, 5,951.64 and 3,526.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,963.98 : 5,951.64 = 3,526.58 : x
2. Step 2: Convert to fraction form
   3,963.98/5,951.64 = 3,526.58/x
3. Step 3: Cross multiply
   3,963.98x = 5,951.64 × 3,526.58
4. Step 4: Simplify right side
   3,963.98x = 20,988,934.59
5. Step 5: Solve for x
   x = 20,988,934.59/3,963.98
6. Step 6: Final answer
   x = 5,294.91