Finding the Fourth Proportional to 23,078.76, 34,632.86 and 8,287.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.76 : 34,632.86 = 8,287.36 : x
2. Step 2: Convert to fraction form
   23,078.76/34,632.86 = 8,287.36/x
3. Step 3: Cross multiply
   23,078.76x = 34,632.86 × 8,287.36
4. Step 4: Simplify right side
   23,078.76x = 287,014,978.65
5. Step 5: Solve for x
   x = 287,014,978.65/23,078.76
6. Step 6: Final answer
   x = 12,436.33