Finding the Fourth Proportional to 1,727.79, 2,588.91 and 1,401.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.79 : 2,588.91 = 1,401.54 : x
2. Step 2: Convert to fraction form
   1,727.79/2,588.91 = 1,401.54/x
3. Step 3: Cross multiply
   1,727.79x = 2,588.91 × 1,401.54
4. Step 4: Simplify right side
   1,727.79x = 3,628,460.92
5. Step 5: Solve for x
   x = 3,628,460.92/1,727.79
6. Step 6: Final answer
   x = 2,100.06