Finding the Fourth Proportional to 2,359.23, 3,538.83 and 1,205.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.23 : 3,538.83 = 1,205.79 : x
2. Step 2: Convert to fraction form
   2,359.23/3,538.83 = 1,205.79/x
3. Step 3: Cross multiply
   2,359.23x = 3,538.83 × 1,205.79
4. Step 4: Simplify right side
   2,359.23x = 4,267,085.83
5. Step 5: Solve for x
   x = 4,267,085.83/2,359.23
6. Step 6: Final answer
   x = 1,808.68