Finding the Fourth Proportional to 8,320.91, 12,483.50 and 2,477.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,320.91 : 12,483.50 = 2,477.53 : x
2. Step 2: Convert to fraction form
   8,320.91/12,483.50 = 2,477.53/x
3. Step 3: Cross multiply
   8,320.91x = 12,483.50 × 2,477.53
4. Step 4: Simplify right side
   8,320.91x = 30,928,245.76
5. Step 5: Solve for x
   x = 30,928,245.76/8,320.91
6. Step 6: Final answer
   x = 3,716.93