Finding the Fourth Proportional to 2,443.50, 3,658.14 and 1,821.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.50 : 3,658.14 = 1,821.56 : x
2. Step 2: Convert to fraction form
   2,443.50/3,658.14 = 1,821.56/x
3. Step 3: Cross multiply
   2,443.50x = 3,658.14 × 1,821.56
4. Step 4: Simplify right side
   2,443.50x = 6,663,521.50
5. Step 5: Solve for x
   x = 6,663,521.50/2,443.50
6. Step 6: Final answer
   x = 2,727.04