Finding the Fourth Proportional to 1,343.49, 1,854.12 and 754.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.49 : 1,854.12 = 754.08 : x
2. Step 2: Convert to fraction form
   1,343.49/1,854.12 = 754.08/x
3. Step 3: Cross multiply
   1,343.49x = 1,854.12 × 754.08
4. Step 4: Simplify right side
   1,343.49x = 1,398,154.81
5. Step 5: Solve for x
   x = 1,398,154.81/1,343.49
6. Step 6: Final answer
   x = 1,040.69