Finding the Fourth Proportional to 8,310.87, 12,463.61 and 2,762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,310.87 : 12,463.61 = 2,762.72 : x
2. Step 2: Convert to fraction form
   8,310.87/12,463.61 = 2,762.72/x
3. Step 3: Cross multiply
   8,310.87x = 12,463.61 × 2,762.72
4. Step 4: Simplify right side
   8,310.87x = 34,433,435.23
5. Step 5: Solve for x
   x = 34,433,435.23/8,310.87
6. Step 6: Final answer
   x = 4,143.18