Finding the Fourth Proportional to 1,338.05, 1,846.46 and 740.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.05 : 1,846.46 = 740.58 : x
2. Step 2: Convert to fraction form
   1,338.05/1,846.46 = 740.58/x
3. Step 3: Cross multiply
   1,338.05x = 1,846.46 × 740.58
4. Step 4: Simplify right side
   1,338.05x = 1,367,451.35
5. Step 5: Solve for x
   x = 1,367,451.35/1,338.05
6. Step 6: Final answer
   x = 1,021.97