Finding the Fourth Proportional to 2,235.69, 3,085.89 and 1,351.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235.69 : 3,085.89 = 1,351.56 : x
2. Step 2: Convert to fraction form
   2,235.69/3,085.89 = 1,351.56/x
3. Step 3: Cross multiply
   2,235.69x = 3,085.89 × 1,351.56
4. Step 4: Simplify right side
   2,235.69x = 4,170,765.49
5. Step 5: Solve for x
   x = 4,170,765.49/2,235.69
6. Step 6: Final answer
   x = 1,865.54