Finding the Fourth Proportional to 2,391.75, 3,300.62 and 1,329.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.75 : 3,300.62 = 1,329.48 : x
2. Step 2: Convert to fraction form
   2,391.75/3,300.62 = 1,329.48/x
3. Step 3: Cross multiply
   2,391.75x = 3,300.62 × 1,329.48
4. Step 4: Simplify right side
   2,391.75x = 4,388,109.88
5. Step 5: Solve for x
   x = 4,388,109.88/2,391.75
6. Step 6: Final answer
   x = 1,834.68