Finding the Fourth Proportional to 1,727.48, 2,385.15 and 1,064.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.48 : 2,385.15 = 1,064.54 : x
2. Step 2: Convert to fraction form
   1,727.48/2,385.15 = 1,064.54/x
3. Step 3: Cross multiply
   1,727.48x = 2,385.15 × 1,064.54
4. Step 4: Simplify right side
   1,727.48x = 2,539,087.58
5. Step 5: Solve for x
   x = 2,539,087.58/1,727.48
6. Step 6: Final answer
   x = 1,469.82