Finding the Fourth Proportional to 2,301.20, 3,452.83 and 1,205.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.20 : 3,452.83 = 1,205.31 : x
2. Step 2: Convert to fraction form
   2,301.20/3,452.83 = 1,205.31/x
3. Step 3: Cross multiply
   2,301.20x = 3,452.83 × 1,205.31
4. Step 4: Simplify right side
   2,301.20x = 4,161,727.51
5. Step 5: Solve for x
   x = 4,161,727.51/2,301.20
6. Step 6: Final answer
   x = 1,808.50