Finding the Fourth Proportional to 8,385.50, 12,581.73 and 4,441.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,385.50 : 12,581.73 = 4,441.23 : x
2. Step 2: Convert to fraction form
   8,385.50/12,581.73 = 4,441.23/x
3. Step 3: Cross multiply
   8,385.50x = 12,581.73 × 4,441.23
4. Step 4: Simplify right side
   8,385.50x = 55,878,356.73
5. Step 5: Solve for x
   x = 55,878,356.73/8,385.50
6. Step 6: Final answer
   x = 6,663.69