Finding the Fourth Proportional to 1,338.53, 1,846.80 and 749.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.53 : 1,846.80 = 749.05 : x
2. Step 2: Convert to fraction form
   1,338.53/1,846.80 = 749.05/x
3. Step 3: Cross multiply
   1,338.53x = 1,846.80 × 749.05
4. Step 4: Simplify right side
   1,338.53x = 1,383,340.92
5. Step 5: Solve for x
   x = 1,383,340.92/1,338.53
6. Step 6: Final answer
   x = 1,033.48