Finding the Fourth Proportional to 2,443.94, 3,659.75 and 1,619.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.94 : 3,659.75 = 1,619.72 : x
2. Step 2: Convert to fraction form
   2,443.94/3,659.75 = 1,619.72/x
3. Step 3: Cross multiply
   2,443.94x = 3,659.75 × 1,619.72
4. Step 4: Simplify right side
   2,443.94x = 5,927,770.27
5. Step 5: Solve for x
   x = 5,927,770.27/2,443.94
6. Step 6: Final answer
   x = 2,425.50