Finding the Fourth Proportional to 8,323.49, 12,488.51 and 3,944.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323.49 : 12,488.51 = 3,944.63 : x
2. Step 2: Convert to fraction form
   8,323.49/12,488.51 = 3,944.63/x
3. Step 3: Cross multiply
   8,323.49x = 12,488.51 × 3,944.63
4. Step 4: Simplify right side
   8,323.49x = 49,262,592.28
5. Step 5: Solve for x
   x = 49,262,592.28/8,323.49
6. Step 6: Final answer
   x = 5,918.50