Finding the Fourth Proportional to 2,349.90, 3,520.59 and 1,425.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,349.90 : 3,520.59 = 1,425.69 : x
2. Step 2: Convert to fraction form
   2,349.90/3,520.59 = 1,425.69/x
3. Step 3: Cross multiply
   2,349.90x = 3,520.59 × 1,425.69
4. Step 4: Simplify right side
   2,349.90x = 5,019,269.96
5. Step 5: Solve for x
   x = 5,019,269.96/2,349.90
6. Step 6: Final answer
   x = 2,135.95