Finding the Fourth Proportional to 8,749.71, 12,074.56 and 4,770.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,749.71 : 12,074.56 = 4,770.81 : x
2. Step 2: Convert to fraction form
   8,749.71/12,074.56 = 4,770.81/x
3. Step 3: Cross multiply
   8,749.71x = 12,074.56 × 4,770.81
4. Step 4: Simplify right side
   8,749.71x = 57,605,431.59
5. Step 5: Solve for x
   x = 57,605,431.59/8,749.71
6. Step 6: Final answer
   x = 6,583.70