Finding the Fourth Proportional to 8,266.72, 12,401.94 and 2,720.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,266.72 : 12,401.94 = 2,720.63 : x
2. Step 2: Convert to fraction form
   8,266.72/12,401.94 = 2,720.63/x
3. Step 3: Cross multiply
   8,266.72x = 12,401.94 × 2,720.63
4. Step 4: Simplify right side
   8,266.72x = 33,741,090.02
5. Step 5: Solve for x
   x = 33,741,090.02/8,266.72
6. Step 6: Final answer
   x = 4,081.56