Finding the Fourth Proportional to 8,959.37, 12,363.69 and 4,980.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,959.37 : 12,363.69 = 4,980.38 : x
2. Step 2: Convert to fraction form
   8,959.37/12,363.69 = 4,980.38/x
3. Step 3: Cross multiply
   8,959.37x = 12,363.69 × 4,980.38
4. Step 4: Simplify right side
   8,959.37x = 61,575,849.50
5. Step 5: Solve for x
   x = 61,575,849.50/8,959.37
6. Step 6: Final answer
   x = 6,872.79