Finding the Fourth Proportional to 3,851.71, 5,315.38 and 2,150.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.71 : 5,315.38 = 2,150.29 : x
2. Step 2: Convert to fraction form
   3,851.71/5,315.38 = 2,150.29/x
3. Step 3: Cross multiply
   3,851.71x = 5,315.38 × 2,150.29
4. Step 4: Simplify right side
   3,851.71x = 11,429,608.46
5. Step 5: Solve for x
   x = 11,429,608.46/3,851.71
6. Step 6: Final answer
   x = 2,967.41