Finding the Fourth Proportional to 1,343.76, 1,854.42 and 754.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.76 : 1,854.42 = 754.32 : x
2. Step 2: Convert to fraction form
   1,343.76/1,854.42 = 754.32/x
3. Step 3: Cross multiply
   1,343.76x = 1,854.42 × 754.32
4. Step 4: Simplify right side
   1,343.76x = 1,398,826.09
5. Step 5: Solve for x
   x = 1,398,826.09/1,343.76
6. Step 6: Final answer
   x = 1,040.98