Finding the Fourth Proportional to 2,391.45, 3,300.50 and 1,343.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.45 : 3,300.50 = 1,343.50 : x
2. Step 2: Convert to fraction form
   2,391.45/3,300.50 = 1,343.50/x
3. Step 3: Cross multiply
   2,391.45x = 3,300.50 × 1,343.50
4. Step 4: Simplify right side
   2,391.45x = 4,434,221.75
5. Step 5: Solve for x
   x = 4,434,221.75/2,391.45
6. Step 6: Final answer
   x = 1,854.20