Finding the Fourth Proportional to 2,570.73, 3,857.42 and 1,090.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.73 : 3,857.42 = 1,090.97 : x
2. Step 2: Convert to fraction form
   2,570.73/3,857.42 = 1,090.97/x
3. Step 3: Cross multiply
   2,570.73x = 3,857.42 × 1,090.97
4. Step 4: Simplify right side
   2,570.73x = 4,208,304.76
5. Step 5: Solve for x
   x = 4,208,304.76/2,570.73
6. Step 6: Final answer
   x = 1,637.01