Finding the Fourth Proportional to 1,863.65, 2,795.52 and 1,128.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.65 : 2,795.52 = 1,128.27 : x
2. Step 2: Convert to fraction form
   1,863.65/2,795.52 = 1,128.27/x
3. Step 3: Cross multiply
   1,863.65x = 2,795.52 × 1,128.27
4. Step 4: Simplify right side
   1,863.65x = 3,154,105.58
5. Step 5: Solve for x
   x = 3,154,105.58/1,863.65
6. Step 6: Final answer
   x = 1,692.44