Finding the Fourth Proportional to 3,314.27, 4,968.47 and 2,145.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,314.27 : 4,968.47 = 2,145.17 : x
2. Step 2: Convert to fraction form
   3,314.27/4,968.47 = 2,145.17/x
3. Step 3: Cross multiply
   3,314.27x = 4,968.47 × 2,145.17
4. Step 4: Simplify right side
   3,314.27x = 10,658,230.57
5. Step 5: Solve for x
   x = 10,658,230.57/3,314.27
6. Step 6: Final answer
   x = 3,215.86