Finding the Fourth Proportional to 8,632.31, 12,949.21 and 2,392.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,632.31 : 12,949.21 = 2,392.33 : x
2. Step 2: Convert to fraction form
   8,632.31/12,949.21 = 2,392.33/x
3. Step 3: Cross multiply
   8,632.31x = 12,949.21 × 2,392.33
4. Step 4: Simplify right side
   8,632.31x = 30,978,783.56
5. Step 5: Solve for x
   x = 30,978,783.56/8,632.31
6. Step 6: Final answer
   x = 3,588.70