Finding the Fourth Proportional to 3,915.54, 5,875.22 and 1,724.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.54 : 5,875.22 = 1,724.00 : x
2. Step 2: Convert to fraction form
   3,915.54/5,875.22 = 1,724.00/x
3. Step 3: Cross multiply
   3,915.54x = 5,875.22 × 1,724.00
4. Step 4: Simplify right side
   3,915.54x = 10,128,854.21
5. Step 5: Solve for x
   x = 10,128,854.21/3,915.54
6. Step 6: Final answer
   x = 2,586.83