Finding the Fourth Proportional to 8,441.83, 12,639.95 and 5,662.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,441.83 : 12,639.95 = 5,662.52 : x
2. Step 2: Convert to fraction form
   8,441.83/12,639.95 = 5,662.52/x
3. Step 3: Cross multiply
   8,441.83x = 12,639.95 × 5,662.52
4. Step 4: Simplify right side
   8,441.83x = 71,573,969.67
5. Step 5: Solve for x
   x = 71,573,969.67/8,441.83
6. Step 6: Final answer
   x = 8,478.49