Finding the Fourth Proportional to 2,323.76, 3,206.72 and 1,329.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.76 : 3,206.72 = 1,329.12 : x
2. Step 2: Convert to fraction form
   2,323.76/3,206.72 = 1,329.12/x
3. Step 3: Cross multiply
   2,323.76x = 3,206.72 × 1,329.12
4. Step 4: Simplify right side
   2,323.76x = 4,262,115.69
5. Step 5: Solve for x
   x = 4,262,115.69/2,323.76
6. Step 6: Final answer
   x = 1,834.15