Finding the Fourth Proportional to 1,343.47, 1,854.18 and 754.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.47 : 1,854.18 = 754.05 : x
2. Step 2: Convert to fraction form
   1,343.47/1,854.18 = 754.05/x
3. Step 3: Cross multiply
   1,343.47x = 1,854.18 × 754.05
4. Step 4: Simplify right side
   1,343.47x = 1,398,144.43
5. Step 5: Solve for x
   x = 1,398,144.43/1,343.47
6. Step 6: Final answer
   x = 1,040.70