Finding the Fourth Proportional to 9,976.92, 14,949.18 and 5,296.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.92 : 14,949.18 = 5,296.56 : x
2. Step 2: Convert to fraction form
   9,976.92/14,949.18 = 5,296.56/x
3. Step 3: Cross multiply
   9,976.92x = 14,949.18 × 5,296.56
4. Step 4: Simplify right side
   9,976.92x = 79,179,228.82
5. Step 5: Solve for x
   x = 79,179,228.82/9,976.92
6. Step 6: Final answer
   x = 7,936.24