Finding the Fourth Proportional to 1,727.58, 2,383.83 and 1,107.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.58 : 2,383.83 = 1,107.42 : x
2. Step 2: Convert to fraction form
   1,727.58/2,383.83 = 1,107.42/x
3. Step 3: Cross multiply
   1,727.58x = 2,383.83 × 1,107.42
4. Step 4: Simplify right side
   1,727.58x = 2,639,901.02
5. Step 5: Solve for x
   x = 2,639,901.02/1,727.58
6. Step 6: Final answer
   x = 1,528.09