Finding the Fourth Proportional to 2,284.88, 3,153.15 and 1,236.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.88 : 3,153.15 = 1,236.96 : x
2. Step 2: Convert to fraction form
   2,284.88/3,153.15 = 1,236.96/x
3. Step 3: Cross multiply
   2,284.88x = 3,153.15 × 1,236.96
4. Step 4: Simplify right side
   2,284.88x = 3,900,320.42
5. Step 5: Solve for x
   x = 3,900,320.42/2,284.88
6. Step 6: Final answer
   x = 1,707.02