Finding the Fourth Proportional to 2,444.94, 3,661.24 and 1,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.94 : 3,661.24 = 1,620.72 : x
2. Step 2: Convert to fraction form
   2,444.94/3,661.24 = 1,620.72/x
3. Step 3: Cross multiply
   2,444.94x = 3,661.24 × 1,620.72
4. Step 4: Simplify right side
   2,444.94x = 5,933,844.89
5. Step 5: Solve for x
   x = 5,933,844.89/2,444.94
6. Step 6: Final answer
   x = 2,426.99