Finding the Fourth Proportional to 1,343.75, 1,854.27 and 754.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.75 : 1,854.27 = 754.26 : x
2. Step 2: Convert to fraction form
   1,343.75/1,854.27 = 754.26/x
3. Step 3: Cross multiply
   1,343.75x = 1,854.27 × 754.26
4. Step 4: Simplify right side
   1,343.75x = 1,398,601.69
5. Step 5: Solve for x
   x = 1,398,601.69/1,343.75
6. Step 6: Final answer
   x = 1,040.82