Finding the Fourth Proportional to 8,271.80, 12,401.94 and 3,076.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,271.80 : 12,401.94 = 3,076.28 : x
2. Step 2: Convert to fraction form
   8,271.80/12,401.94 = 3,076.28/x
3. Step 3: Cross multiply
   8,271.80x = 12,401.94 × 3,076.28
4. Step 4: Simplify right side
   8,271.80x = 38,151,839.98
5. Step 5: Solve for x
   x = 38,151,839.98/8,271.80
6. Step 6: Final answer
   x = 4,612.28