Finding the Fourth Proportional to 9,976.80, 14,974.46 and 5,049.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.80 : 14,974.46 = 5,049.92 : x
2. Step 2: Convert to fraction form
   9,976.80/14,974.46 = 5,049.92/x
3. Step 3: Cross multiply
   9,976.80x = 14,974.46 × 5,049.92
4. Step 4: Simplify right side
   9,976.80x = 75,619,724.92
5. Step 5: Solve for x
   x = 75,619,724.92/9,976.80
6. Step 6: Final answer
   x = 7,579.56