Finding the Fourth Proportional to 3,915.92, 5,875.79 and 1,724.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.92 : 5,875.79 = 1,724.37 : x
2. Step 2: Convert to fraction form
   3,915.92/5,875.79 = 1,724.37/x
3. Step 3: Cross multiply
   3,915.92x = 5,875.79 × 1,724.37
4. Step 4: Simplify right side
   3,915.92x = 10,132,027.38
5. Step 5: Solve for x
   x = 10,132,027.38/3,915.92
6. Step 6: Final answer
   x = 2,587.40