Finding the Fourth Proportional to 2,763.96, 4,146.54 and 1,284.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.96 : 4,146.54 = 1,284.09 : x
2. Step 2: Convert to fraction form
   2,763.96/4,146.54 = 1,284.09/x
3. Step 3: Cross multiply
   2,763.96x = 4,146.54 × 1,284.09
4. Step 4: Simplify right side
   2,763.96x = 5,324,530.55
5. Step 5: Solve for x
   x = 5,324,530.55/2,763.96
6. Step 6: Final answer
   x = 1,926.41