Finding the Fourth Proportional to 1,727.06, 2,588.42 and 738.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.06 : 2,588.42 = 738.71 : x
2. Step 2: Convert to fraction form
   1,727.06/2,588.42 = 738.71/x
3. Step 3: Cross multiply
   1,727.06x = 2,588.42 × 738.71
4. Step 4: Simplify right side
   1,727.06x = 1,912,096.59
5. Step 5: Solve for x
   x = 1,912,096.59/1,727.06
6. Step 6: Final answer
   x = 1,107.14