Finding the Fourth Proportional to 9,976.44, 13,768.31 and 5,500.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.44 : 13,768.31 = 5,500.62 : x
2. Step 2: Convert to fraction form
   9,976.44/13,768.31 = 5,500.62/x
3. Step 3: Cross multiply
   9,976.44x = 13,768.31 × 5,500.62
4. Step 4: Simplify right side
   9,976.44x = 75,734,255.10
5. Step 5: Solve for x
   x = 75,734,255.10/9,976.44
6. Step 6: Final answer
   x = 7,591.31