Finding the Fourth Proportional to 8,322.57, 12,481.72 and 2,477.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,322.57 : 12,481.72 = 2,477.81 : x
2. Step 2: Convert to fraction form
   8,322.57/12,481.72 = 2,477.81/x
3. Step 3: Cross multiply
   8,322.57x = 12,481.72 × 2,477.81
4. Step 4: Simplify right side
   8,322.57x = 30,927,355.64
5. Step 5: Solve for x
   x = 30,927,355.64/8,322.57
6. Step 6: Final answer
   x = 3,716.08