Finding the Fourth Proportional to 1,879.35, 2,593.42 and 1,040.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,879.35 : 2,593.42 = 1,040.09 : x
2. Step 2: Convert to fraction form
   1,879.35/2,593.42 = 1,040.09/x
3. Step 3: Cross multiply
   1,879.35x = 2,593.42 × 1,040.09
4. Step 4: Simplify right side
   1,879.35x = 2,697,389.23
5. Step 5: Solve for x
   x = 2,697,389.23/1,879.35
6. Step 6: Final answer
   x = 1,435.28