Finding the Fourth Proportional to 1,343.88, 1,854.50 and 754.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.88 : 1,854.50 = 754.46 : x
2. Step 2: Convert to fraction form
   1,343.88/1,854.50 = 754.46/x
3. Step 3: Cross multiply
   1,343.88x = 1,854.50 × 754.46
4. Step 4: Simplify right side
   1,343.88x = 1,399,146.07
5. Step 5: Solve for x
   x = 1,399,146.07/1,343.88
6. Step 6: Final answer
   x = 1,041.12