Finding the Fourth Proportional to 2,443.89, 3,373.16 and 1,396.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.89 : 3,373.16 = 1,396.56 : x
2. Step 2: Convert to fraction form
   2,443.89/3,373.16 = 1,396.56/x
3. Step 3: Cross multiply
   2,443.89x = 3,373.16 × 1,396.56
4. Step 4: Simplify right side
   2,443.89x = 4,710,813.35
5. Step 5: Solve for x
   x = 4,710,813.35/2,443.89
6. Step 6: Final answer
   x = 1,927.59