Finding the Fourth Proportional to 2,719.01, 4,077.89 and 1,330.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.01 : 4,077.89 = 1,330.96 : x
2. Step 2: Convert to fraction form
   2,719.01/4,077.89 = 1,330.96/x
3. Step 3: Cross multiply
   2,719.01x = 4,077.89 × 1,330.96
4. Step 4: Simplify right side
   2,719.01x = 5,427,491.62
5. Step 5: Solve for x
   x = 5,427,491.62/2,719.01
6. Step 6: Final answer
   x = 1,996.13