Finding the Fourth Proportional to 2,459.27, 3,691.55 and 1,420.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.27 : 3,691.55 = 1,420.27 : x
2. Step 2: Convert to fraction form
   2,459.27/3,691.55 = 1,420.27/x
3. Step 3: Cross multiply
   2,459.27x = 3,691.55 × 1,420.27
4. Step 4: Simplify right side
   2,459.27x = 5,243,003.62
5. Step 5: Solve for x
   x = 5,243,003.62/2,459.27
6. Step 6: Final answer
   x = 2,131.93