Finding the Fourth Proportional to 2,623.59, 3,620.70 and 1,444.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.59 : 3,620.70 = 1,444.77 : x
2. Step 2: Convert to fraction form
   2,623.59/3,620.70 = 1,444.77/x
3. Step 3: Cross multiply
   2,623.59x = 3,620.70 × 1,444.77
4. Step 4: Simplify right side
   2,623.59x = 5,231,078.74
5. Step 5: Solve for x
   x = 5,231,078.74/2,623.59
6. Step 6: Final answer
   x = 1,993.86