Finding the Fourth Proportional to 2,150.96, 2,968.32 and 1,255.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.96 : 2,968.32 = 1,255.31 : x
2. Step 2: Convert to fraction form
   2,150.96/2,968.32 = 1,255.31/x
3. Step 3: Cross multiply
   2,150.96x = 2,968.32 × 1,255.31
4. Step 4: Simplify right side
   2,150.96x = 3,726,158.07
5. Step 5: Solve for x
   x = 3,726,158.07/2,150.96
6. Step 6: Final answer
   x = 1,732.33