Finding the Fourth Proportional to 2,391.99, 3,300.89 and 1,344.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.99 : 3,300.89 = 1,344.05 : x
2. Step 2: Convert to fraction form
   2,391.99/3,300.89 = 1,344.05/x
3. Step 3: Cross multiply
   2,391.99x = 3,300.89 × 1,344.05
4. Step 4: Simplify right side
   2,391.99x = 4,436,561.20
5. Step 5: Solve for x
   x = 4,436,561.20/2,391.99
6. Step 6: Final answer
   x = 1,854.76