Finding the Fourth Proportional to 9,976.28, 14,973.60 and 5,049.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.28 : 14,973.60 = 5,049.36 : x
2. Step 2: Convert to fraction form
   9,976.28/14,973.60 = 5,049.36/x
3. Step 3: Cross multiply
   9,976.28x = 14,973.60 × 5,049.36
4. Step 4: Simplify right side
   9,976.28x = 75,607,096.90
5. Step 5: Solve for x
   x = 75,607,096.90/9,976.28
6. Step 6: Final answer
   x = 7,578.69