Finding the Fourth Proportional to 3,914.73, 5,873.31 and 1,724.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.73 : 5,873.31 = 1,724.09 : x
2. Step 2: Convert to fraction form
   3,914.73/5,873.31 = 1,724.09/x
3. Step 3: Cross multiply
   3,914.73x = 5,873.31 × 1,724.09
4. Step 4: Simplify right side
   3,914.73x = 10,126,085.67
5. Step 5: Solve for x
   x = 10,126,085.67/3,914.73
6. Step 6: Final answer
   x = 2,586.66