Finding the Fourth Proportional to 2,281.78, 3,422.62 and 896.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.78 : 3,422.62 = 896.07 : x
2. Step 2: Convert to fraction form
   2,281.78/3,422.62 = 896.07/x
3. Step 3: Cross multiply
   2,281.78x = 3,422.62 × 896.07
4. Step 4: Simplify right side
   2,281.78x = 3,066,907.10
5. Step 5: Solve for x
   x = 3,066,907.10/2,281.78
6. Step 6: Final answer
   x = 1,344.09