Finding the Fourth Proportional to 2,485.86, 3,424.56 and 1,738.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.86 : 3,424.56 = 1,738.42 : x
2. Step 2: Convert to fraction form
   2,485.86/3,424.56 = 1,738.42/x
3. Step 3: Cross multiply
   2,485.86x = 3,424.56 × 1,738.42
4. Step 4: Simplify right side
   2,485.86x = 5,953,323.60
5. Step 5: Solve for x
   x = 5,953,323.60/2,485.86
6. Step 6: Final answer
   x = 2,394.87