Finding the Fourth Proportional to 1,574.29, 2,174.10 and 1,297.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574.29 : 2,174.10 = 1,297.27 : x
2. Step 2: Convert to fraction form
   1,574.29/2,174.10 = 1,297.27/x
3. Step 3: Cross multiply
   1,574.29x = 2,174.10 × 1,297.27
4. Step 4: Simplify right side
   1,574.29x = 2,820,389.27
5. Step 5: Solve for x
   x = 2,820,389.27/1,574.29
6. Step 6: Final answer
   x = 1,791.53