Finding the Fourth Proportional to 1,664.72, 2,297.49 and 1,035.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.72 : 2,297.49 = 1,035.65 : x
2. Step 2: Convert to fraction form
   1,664.72/2,297.49 = 1,035.65/x
3. Step 3: Cross multiply
   1,664.72x = 2,297.49 × 1,035.65
4. Step 4: Simplify right side
   1,664.72x = 2,379,395.52
5. Step 5: Solve for x
   x = 2,379,395.52/1,664.72
6. Step 6: Final answer
   x = 1,429.31