Finding the Fourth Proportional to 2,419.91, 3,339.27 and 1,425.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.91 : 3,339.27 = 1,425.03 : x
2. Step 2: Convert to fraction form
   2,419.91/3,339.27 = 1,425.03/x
3. Step 3: Cross multiply
   2,419.91x = 3,339.27 × 1,425.03
4. Step 4: Simplify right side
   2,419.91x = 4,758,559.93
5. Step 5: Solve for x
   x = 4,758,559.93/2,419.91
6. Step 6: Final answer
   x = 1,966.42