Finding the Fourth Proportional to 3,906.50, 5,857.58 and 1,713.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.50 : 5,857.58 = 1,713.02 : x
2. Step 2: Convert to fraction form
   3,906.50/5,857.58 = 1,713.02/x
3. Step 3: Cross multiply
   3,906.50x = 5,857.58 × 1,713.02
4. Step 4: Simplify right side
   3,906.50x = 10,034,151.69
5. Step 5: Solve for x
   x = 10,034,151.69/3,906.50
6. Step 6: Final answer
   x = 2,568.58