Finding the Fourth Proportional to 2,443.62, 3,665.43 and 1,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.62 : 3,665.43 = 1,623.50 : x
2. Step 2: Convert to fraction form
   2,443.62/3,665.43 = 1,623.50/x
3. Step 3: Cross multiply
   2,443.62x = 3,665.43 × 1,623.50
4. Step 4: Simplify right side
   2,443.62x = 5,950,825.61
5. Step 5: Solve for x
   x = 5,950,825.61/2,443.62
6. Step 6: Final answer
   x = 2,435.25