Finding the Fourth Proportional to 1,343.56, 1,853.94 and 754.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.56 : 1,853.94 = 754.12 : x
2. Step 2: Convert to fraction form
   1,343.56/1,853.94 = 754.12/x
3. Step 3: Cross multiply
   1,343.56x = 1,853.94 × 754.12
4. Step 4: Simplify right side
   1,343.56x = 1,398,093.23
5. Step 5: Solve for x
   x = 1,398,093.23/1,343.56
6. Step 6: Final answer
   x = 1,040.59