Finding the Fourth Proportional to 1,343.45, 1,854.02 and 754.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.45 : 1,854.02 = 754.04 : x
2. Step 2: Convert to fraction form
   1,343.45/1,854.02 = 754.04/x
3. Step 3: Cross multiply
   1,343.45x = 1,854.02 × 754.04
4. Step 4: Simplify right side
   1,343.45x = 1,398,011.76
5. Step 5: Solve for x
   x = 1,398,011.76/1,343.45
6. Step 6: Final answer
   x = 1,040.61