Finding the Fourth Proportional to 2,623.63, 3,620.64 and 1,444.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.63 : 3,620.64 = 1,444.72 : x
2. Step 2: Convert to fraction form
   2,623.63/3,620.64 = 1,444.72/x
3. Step 3: Cross multiply
   2,623.63x = 3,620.64 × 1,444.72
4. Step 4: Simplify right side
   2,623.63x = 5,230,811.02
5. Step 5: Solve for x
   x = 5,230,811.02/2,623.63
6. Step 6: Final answer
   x = 1,993.73