Finding the Fourth Proportional to 1,338.55, 1,847.23 and 749.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.55 : 1,847.23 = 749.12 : x
2. Step 2: Convert to fraction form
   1,338.55/1,847.23 = 749.12/x
3. Step 3: Cross multiply
   1,338.55x = 1,847.23 × 749.12
4. Step 4: Simplify right side
   1,338.55x = 1,383,785.83
5. Step 5: Solve for x
   x = 1,383,785.83/1,338.55
6. Step 6: Final answer
   x = 1,033.80