Finding the Fourth Proportional to 2,282.26, 3,149.82 and 1,287.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.26 : 3,149.82 = 1,287.86 : x
2. Step 2: Convert to fraction form
   2,282.26/3,149.82 = 1,287.86/x
3. Step 3: Cross multiply
   2,282.26x = 3,149.82 × 1,287.86
4. Step 4: Simplify right side
   2,282.26x = 4,056,527.19
5. Step 5: Solve for x
   x = 4,056,527.19/2,282.26
6. Step 6: Final answer
   x = 1,777.42