Finding the Fourth Proportional to 2,285.28, 3,426.72 and 1,244.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.28 : 3,426.72 = 1,244.96 : x
2. Step 2: Convert to fraction form
   2,285.28/3,426.72 = 1,244.96/x
3. Step 3: Cross multiply
   2,285.28x = 3,426.72 × 1,244.96
4. Step 4: Simplify right side
   2,285.28x = 4,266,129.33
5. Step 5: Solve for x
   x = 4,266,129.33/2,285.28
6. Step 6: Final answer
   x = 1,866.79