Finding the Fourth Proportional to 1,343.72, 1,854.29 and 754.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.72 : 1,854.29 = 754.24 : x
2. Step 2: Convert to fraction form
   1,343.72/1,854.29 = 754.24/x
3. Step 3: Cross multiply
   1,343.72x = 1,854.29 × 754.24
4. Step 4: Simplify right side
   1,343.72x = 1,398,579.69
5. Step 5: Solve for x
   x = 1,398,579.69/1,343.72
6. Step 6: Final answer
   x = 1,040.83