Finding the Fourth Proportional to 1,727.03, 2,383.83 and 1,638.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.03 : 2,383.83 = 1,638.86 : x
2. Step 2: Convert to fraction form
   1,727.03/2,383.83 = 1,638.86/x
3. Step 3: Cross multiply
   1,727.03x = 2,383.83 × 1,638.86
4. Step 4: Simplify right side
   1,727.03x = 3,906,751.71
5. Step 5: Solve for x
   x = 3,906,751.71/1,727.03
6. Step 6: Final answer
   x = 2,262.13