Finding the Fourth Proportional to 2,323.59, 3,206.43 and 1,328.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.59 : 3,206.43 = 1,328.78 : x
2. Step 2: Convert to fraction form
   2,323.59/3,206.43 = 1,328.78/x
3. Step 3: Cross multiply
   2,323.59x = 3,206.43 × 1,328.78
4. Step 4: Simplify right side
   2,323.59x = 4,260,624.02
5. Step 5: Solve for x
   x = 4,260,624.02/2,323.59
6. Step 6: Final answer
   x = 1,833.64