Finding the Fourth Proportional to 1,727.23, 2,380.73 and 1,222.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.23 : 2,380.73 = 1,222.43 : x
2. Step 2: Convert to fraction form
   1,727.23/2,380.73 = 1,222.43/x
3. Step 3: Cross multiply
   1,727.23x = 2,380.73 × 1,222.43
4. Step 4: Simplify right side
   1,727.23x = 2,910,284.78
5. Step 5: Solve for x
   x = 2,910,284.78/1,727.23
6. Step 6: Final answer
   x = 1,684.94