Finding the Fourth Proportional to 8,313.53, 12,471.50 and 2,976.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,313.53 : 12,471.50 = 2,976.30 : x
2. Step 2: Convert to fraction form
   8,313.53/12,471.50 = 2,976.30/x
3. Step 3: Cross multiply
   8,313.53x = 12,471.50 × 2,976.30
4. Step 4: Simplify right side
   8,313.53x = 37,118,932.89
5. Step 5: Solve for x
   x = 37,118,932.89/8,313.53
6. Step 6: Final answer
   x = 4,464.88