Finding the Fourth Proportional to 1,343.68, 1,854.36 and 754.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.68 : 1,854.36 = 754.26 : x
2. Step 2: Convert to fraction form
   1,343.68/1,854.36 = 754.26/x
3. Step 3: Cross multiply
   1,343.68x = 1,854.36 × 754.26
4. Step 4: Simplify right side
   1,343.68x = 1,398,662.62
5. Step 5: Solve for x
   x = 1,398,662.62/1,343.68
6. Step 6: Final answer
   x = 1,040.92