Finding the Fourth Proportional to 8,208.71, 12,293.33 and 4,688.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,208.71 : 12,293.33 = 4,688.05 : x
2. Step 2: Convert to fraction form
   8,208.71/12,293.33 = 4,688.05/x
3. Step 3: Cross multiply
   8,208.71x = 12,293.33 × 4,688.05
4. Step 4: Simplify right side
   8,208.71x = 57,631,788.16
5. Step 5: Solve for x
   x = 57,631,788.16/8,208.71
6. Step 6: Final answer
   x = 7,020.81