Finding the Fourth Proportional to 10,076.15, 15,112.53 and 2,680.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,076.15 : 15,112.53 = 2,680.71 : x
2. Step 2: Convert to fraction form
   10,076.15/15,112.53 = 2,680.71/x
3. Step 3: Cross multiply
   10,076.15x = 15,112.53 × 2,680.71
4. Step 4: Simplify right side
   10,076.15x = 40,512,310.30
5. Step 5: Solve for x
   x = 40,512,310.30/10,076.15
6. Step 6: Final answer
   x = 4,020.61