Finding the Fourth Proportional to 2,233.83, 3,082.82 and 1,289.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.83 : 3,082.82 = 1,289.79 : x
2. Step 2: Convert to fraction form
   2,233.83/3,082.82 = 1,289.79/x
3. Step 3: Cross multiply
   2,233.83x = 3,082.82 × 1,289.79
4. Step 4: Simplify right side
   2,233.83x = 3,976,205.19
5. Step 5: Solve for x
   x = 3,976,205.19/2,233.83
6. Step 6: Final answer
   x = 1,779.99