Finding the Fourth Proportional to 2,270.50, 3,403.42 and 1,281.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.50 : 3,403.42 = 1,281.89 : x
2. Step 2: Convert to fraction form
   2,270.50/3,403.42 = 1,281.89/x
3. Step 3: Cross multiply
   2,270.50x = 3,403.42 × 1,281.89
4. Step 4: Simplify right side
   2,270.50x = 4,362,815.37
5. Step 5: Solve for x
   x = 4,362,815.37/2,270.50
6. Step 6: Final answer
   x = 1,921.52