Finding the Fourth Proportional to 8,749.72, 12,074.60 and 4,770.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,749.72 : 12,074.60 = 4,770.83 : x
2. Step 2: Convert to fraction form
   8,749.72/12,074.60 = 4,770.83/x
3. Step 3: Cross multiply
   8,749.72x = 12,074.60 × 4,770.83
4. Step 4: Simplify right side
   8,749.72x = 57,605,863.92
5. Step 5: Solve for x
   x = 57,605,863.92/8,749.72
6. Step 6: Final answer
   x = 6,583.74