Finding the Fourth Proportional to 2,215.89, 3,325.32 and 1,394.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.89 : 3,325.32 = 1,394.73 : x
2. Step 2: Convert to fraction form
   2,215.89/3,325.32 = 1,394.73/x
3. Step 3: Cross multiply
   2,215.89x = 3,325.32 × 1,394.73
4. Step 4: Simplify right side
   2,215.89x = 4,637,923.56
5. Step 5: Solve for x
   x = 4,637,923.56/2,215.89
6. Step 6: Final answer
   x = 2,093.03