Finding the Fourth Proportional to 2,282.48, 3,421.59 and 1,240.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.48 : 3,421.59 = 1,240.94 : x
2. Step 2: Convert to fraction form
   2,282.48/3,421.59 = 1,240.94/x
3. Step 3: Cross multiply
   2,282.48x = 3,421.59 × 1,240.94
4. Step 4: Simplify right side
   2,282.48x = 4,245,987.89
5. Step 5: Solve for x
   x = 4,245,987.89/2,282.48
6. Step 6: Final answer
   x = 1,860.25