Finding the Fourth Proportional to 8,800.56, 12,144.72 and 4,821.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,800.56 : 12,144.72 = 4,821.75 : x
2. Step 2: Convert to fraction form
   8,800.56/12,144.72 = 4,821.75/x
3. Step 3: Cross multiply
   8,800.56x = 12,144.72 × 4,821.75
4. Step 4: Simplify right side
   8,800.56x = 58,558,803.66
5. Step 5: Solve for x
   x = 58,558,803.66/8,800.56
6. Step 6: Final answer
   x = 6,653.99