Finding the Fourth Proportional to 2,419.20, 3,627.59 and 1,249.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.20 : 3,627.59 = 1,249.02 : x
2. Step 2: Convert to fraction form
   2,419.20/3,627.59 = 1,249.02/x
3. Step 3: Cross multiply
   2,419.20x = 3,627.59 × 1,249.02
4. Step 4: Simplify right side
   2,419.20x = 4,530,926.22
5. Step 5: Solve for x
   x = 4,530,926.22/2,419.20
6. Step 6: Final answer
   x = 1,872.90