Finding the Fourth Proportional to 8,800.56, 12,144.60 and 5,443.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,800.56 : 12,144.60 = 5,443.92 : x
2. Step 2: Convert to fraction form
   8,800.56/12,144.60 = 5,443.92/x
3. Step 3: Cross multiply
   8,800.56x = 12,144.60 × 5,443.92
4. Step 4: Simplify right side
   8,800.56x = 66,114,230.83
5. Step 5: Solve for x
   x = 66,114,230.83/8,800.56
6. Step 6: Final answer
   x = 7,512.50