Finding the Fourth Proportional to 8,729.59, 12,046.72 and 4,750.64

Step by Step Solution

1. Step 1: Write the proportion equation
   8,729.59 : 12,046.72 = 4,750.64 : x
2. Step 2: Convert to fraction form
   8,729.59/12,046.72 = 4,750.64/x
3. Step 3: Cross multiply
   8,729.59x = 12,046.72 × 4,750.64
4. Step 4: Simplify right side
   8,729.59x = 57,229,629.90
5. Step 5: Solve for x
   x = 57,229,629.90/8,729.59
6. Step 6: Final answer
   x = 6,555.82