Finding the Fourth Proportional to 10,441.74, 15,631.83 and 5,500.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,441.74 : 15,631.83 = 5,500.74 : x
2. Step 2: Convert to fraction form
   10,441.74/15,631.83 = 5,500.74/x
3. Step 3: Cross multiply
   10,441.74x = 15,631.83 × 5,500.74
4. Step 4: Simplify right side
   10,441.74x = 85,986,632.55
5. Step 5: Solve for x
   x = 85,986,632.55/10,441.74
6. Step 6: Final answer
   x = 8,234.90