Finding the Fourth Proportional to 2,284.66, 3,152.84 and 1,236.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.66 : 3,152.84 = 1,236.72 : x
2. Step 2: Convert to fraction form
   2,284.66/3,152.84 = 1,236.72/x
3. Step 3: Cross multiply
   2,284.66x = 3,152.84 × 1,236.72
4. Step 4: Simplify right side
   2,284.66x = 3,899,180.28
5. Step 5: Solve for x
   x = 3,899,180.28/2,284.66
6. Step 6: Final answer
   x = 1,706.68