Finding the Fourth Proportional to 10,871.72, 16,310.31 and 3,080.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,871.72 : 16,310.31 = 3,080.53 : x
2. Step 2: Convert to fraction form
   10,871.72/16,310.31 = 3,080.53/x
3. Step 3: Cross multiply
   10,871.72x = 16,310.31 × 3,080.53
4. Step 4: Simplify right side
   10,871.72x = 50,244,425.43
5. Step 5: Solve for x
   x = 50,244,425.43/10,871.72
6. Step 6: Final answer
   x = 4,621.57