Finding the Fourth Proportional to 2,391.42, 3,300.18 and 1,343.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.42 : 3,300.18 = 1,343.58 : x
2. Step 2: Convert to fraction form
   2,391.42/3,300.18 = 1,343.58/x
3. Step 3: Cross multiply
   2,391.42x = 3,300.18 × 1,343.58
4. Step 4: Simplify right side
   2,391.42x = 4,434,055.84
5. Step 5: Solve for x
   x = 4,434,055.84/2,391.42
6. Step 6: Final answer
   x = 1,854.15