Finding the Fourth Proportional to 2,284.65, 3,152.82 and 1,236.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.65 : 3,152.82 = 1,236.72 : x
2. Step 2: Convert to fraction form
   2,284.65/3,152.82 = 1,236.72/x
3. Step 3: Cross multiply
   2,284.65x = 3,152.82 × 1,236.72
4. Step 4: Simplify right side
   2,284.65x = 3,899,155.55
5. Step 5: Solve for x
   x = 3,899,155.55/2,284.65
6. Step 6: Final answer
   x = 1,706.68