Finding the Fourth Proportional to 9,976.37, 13,767.48 and 5,500.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.37 : 13,767.48 = 5,500.28 : x
2. Step 2: Convert to fraction form
   9,976.37/13,767.48 = 5,500.28/x
3. Step 3: Cross multiply
   9,976.37x = 13,767.48 × 5,500.28
4. Step 4: Simplify right side
   9,976.37x = 75,724,994.89
5. Step 5: Solve for x
   x = 75,724,994.89/9,976.37
6. Step 6: Final answer
   x = 7,590.44