Finding the Fourth Proportional to 1,343.56, 1,854.10 and 754.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.56 : 1,854.10 = 754.08 : x
2. Step 2: Convert to fraction form
   1,343.56/1,854.10 = 754.08/x
3. Step 3: Cross multiply
   1,343.56x = 1,854.10 × 754.08
4. Step 4: Simplify right side
   1,343.56x = 1,398,139.73
5. Step 5: Solve for x
   x = 1,398,139.73/1,343.56
6. Step 6: Final answer
   x = 1,040.62