Finding the Fourth Proportional to 3,609.72, 5,414.04 and 1,419.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.72 : 5,414.04 = 1,419.93 : x
2. Step 2: Convert to fraction form
   3,609.72/5,414.04 = 1,419.93/x
3. Step 3: Cross multiply
   3,609.72x = 5,414.04 × 1,419.93
4. Step 4: Simplify right side
   3,609.72x = 7,687,557.82
5. Step 5: Solve for x
   x = 7,687,557.82/3,609.72
6. Step 6: Final answer
   x = 2,129.68