Finding the Fourth Proportional to 2,486.86, 3,425.94 and 1,739.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486.86 : 3,425.94 = 1,739.42 : x
2. Step 2: Convert to fraction form
   2,486.86/3,425.94 = 1,739.42/x
3. Step 3: Cross multiply
   2,486.86x = 3,425.94 × 1,739.42
4. Step 4: Simplify right side
   2,486.86x = 5,959,148.55
5. Step 5: Solve for x
   x = 5,959,148.55/2,486.86
6. Step 6: Final answer
   x = 2,396.25