Finding the Fourth Proportional to 2,323.72, 3,206.36 and 1,328.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.72 : 3,206.36 = 1,328.98 : x
2. Step 2: Convert to fraction form
   2,323.72/3,206.36 = 1,328.98/x
3. Step 3: Cross multiply
   2,323.72x = 3,206.36 × 1,328.98
4. Step 4: Simplify right side
   2,323.72x = 4,261,188.31
5. Step 5: Solve for x
   x = 4,261,188.31/2,323.72
6. Step 6: Final answer
   x = 1,833.78