Finding the Fourth Proportional to 2,720.56, 4,071.12 and 2,676.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,720.56 : 4,071.12 = 2,676.82 : x
2. Step 2: Convert to fraction form
   2,720.56/4,071.12 = 2,676.82/x
3. Step 3: Cross multiply
   2,720.56x = 4,071.12 × 2,676.82
4. Step 4: Simplify right side
   2,720.56x = 10,897,655.44
5. Step 5: Solve for x
   x = 10,897,655.44/2,720.56
6. Step 6: Final answer
   x = 4,005.67