Finding the Fourth Proportional to 8,623.46, 12,951.59 and 5,359.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,623.46 : 12,951.59 = 5,359.37 : x
2. Step 2: Convert to fraction form
   8,623.46/12,951.59 = 5,359.37/x
3. Step 3: Cross multiply
   8,623.46x = 12,951.59 × 5,359.37
4. Step 4: Simplify right side
   8,623.46x = 69,412,271.34
5. Step 5: Solve for x
   x = 69,412,271.34/8,623.46
6. Step 6: Final answer
   x = 8,049.24