Finding the Fourth Proportional to 2,284.82, 3,153.05 and 1,236.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.82 : 3,153.05 = 1,236.88 : x
2. Step 2: Convert to fraction form
   2,284.82/3,153.05 = 1,236.88/x
3. Step 3: Cross multiply
   2,284.82x = 3,153.05 × 1,236.88
4. Step 4: Simplify right side
   2,284.82x = 3,899,944.48
5. Step 5: Solve for x
   x = 3,899,944.48/2,284.82
6. Step 6: Final answer
   x = 1,706.89