Finding the Fourth Proportional to 8,632.88, 12,949.59 and 2,392.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,632.88 : 12,949.59 = 2,392.95 : x
2. Step 2: Convert to fraction form
   8,632.88/12,949.59 = 2,392.95/x
3. Step 3: Cross multiply
   8,632.88x = 12,949.59 × 2,392.95
4. Step 4: Simplify right side
   8,632.88x = 30,987,721.39
5. Step 5: Solve for x
   x = 30,987,721.39/8,632.88
6. Step 6: Final answer
   x = 3,589.50