Finding the Fourth Proportional to 1,727.72, 2,383.98 and 981.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.72 : 2,383.98 = 981.71 : x
2. Step 2: Convert to fraction form
   1,727.72/2,383.98 = 981.71/x
3. Step 3: Cross multiply
   1,727.72x = 2,383.98 × 981.71
4. Step 4: Simplify right side
   1,727.72x = 2,340,365.09
5. Step 5: Solve for x
   x = 2,340,365.09/1,727.72
6. Step 6: Final answer
   x = 1,354.60