Finding the Fourth Proportional to 8,856.50, 12,227.84 and 5,504.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,856.50 : 12,227.84 = 5,504.31 : x
2. Step 2: Convert to fraction form
   8,856.50/12,227.84 = 5,504.31/x
3. Step 3: Cross multiply
   8,856.50x = 12,227.84 × 5,504.31
4. Step 4: Simplify right side
   8,856.50x = 67,305,835.75
5. Step 5: Solve for x
   x = 67,305,835.75/8,856.50
6. Step 6: Final answer
   x = 7,599.60