Finding the Fourth Proportional to 2,570.21, 3,855.31 and 1,032.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.21 : 3,855.31 = 1,032.29 : x
2. Step 2: Convert to fraction form
   2,570.21/3,855.31 = 1,032.29/x
3. Step 3: Cross multiply
   2,570.21x = 3,855.31 × 1,032.29
4. Step 4: Simplify right side
   2,570.21x = 3,979,797.96
5. Step 5: Solve for x
   x = 3,979,797.96/2,570.21
6. Step 6: Final answer
   x = 1,548.43