Finding the Fourth Proportional to 1,343.86, 1,854.56 and 754.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.86 : 1,854.56 = 754.44 : x
2. Step 2: Convert to fraction form
   1,343.86/1,854.56 = 754.44/x
3. Step 3: Cross multiply
   1,343.86x = 1,854.56 × 754.44
4. Step 4: Simplify right side
   1,343.86x = 1,399,154.25
5. Step 5: Solve for x
   x = 1,399,154.25/1,343.86
6. Step 6: Final answer
   x = 1,041.15