Finding the Fourth Proportional to 1,664.15, 2,297.59 and 1,035.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.15 : 2,297.59 = 1,035.53 : x
2. Step 2: Convert to fraction form
   1,664.15/2,297.59 = 1,035.53/x
3. Step 3: Cross multiply
   1,664.15x = 2,297.59 × 1,035.53
4. Step 4: Simplify right side
   1,664.15x = 2,379,209.30
5. Step 5: Solve for x
   x = 2,379,209.30/1,664.15
6. Step 6: Final answer
   x = 1,429.69