Finding the Fourth Proportional to 1,728.01, 2,385.50 and 1,168.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.01 : 2,385.50 = 1,168.27 : x
2. Step 2: Convert to fraction form
   1,728.01/2,385.50 = 1,168.27/x
3. Step 3: Cross multiply
   1,728.01x = 2,385.50 × 1,168.27
4. Step 4: Simplify right side
   1,728.01x = 2,786,896.28
5. Step 5: Solve for x
   x = 2,786,896.28/1,728.01
6. Step 6: Final answer
   x = 1,612.78